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Finding the Fourth Proportional to 518,007.35, 777,011.03 and 144,030.35

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Solution

The fourth proportional to 518,007.35, 777,011.03 and 144,030.35 is: 216,045.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,007.35 : 777,011.03 = 144,030.35 : x
  2. Step 2: Convert to fraction form
    518,007.35/777,011.03 = 144,030.35/x
  3. Step 3: Cross multiply
    518,007.35x = 777,011.03 × 144,030.35
  4. Step 4: Simplify right side
    518,007.35x = 111,913,169,884.61
  5. Step 5: Solve for x
    x = 111,913,169,884.61/518,007.35
  6. Step 6: Final answer
    x = 216,045.53

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.