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Finding the Fourth Proportional to 518,032.76, 777,154.25 and 162,964.20

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Solution

The fourth proportional to 518,032.76, 777,154.25 and 162,964.20 is: 244,479.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,032.76 : 777,154.25 = 162,964.20 : x
  2. Step 2: Convert to fraction form
    518,032.76/777,154.25 = 162,964.20/x
  3. Step 3: Cross multiply
    518,032.76x = 777,154.25 × 162,964.20
  4. Step 4: Simplify right side
    518,032.76x = 126,648,319,813.03
  5. Step 5: Solve for x
    x = 126,648,319,813.03/518,032.76
  6. Step 6: Final answer
    x = 244,479.37

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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.