Home / 518,013.50-777,064.26-144,036.50

Finding the Fourth Proportional to 518,013.50, 777,064.26 and 144,036.50

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Solution

The fourth proportional to 518,013.50, 777,064.26 and 144,036.50 is: 216,066.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,013.50 : 777,064.26 = 144,036.50 : x
  2. Step 2: Convert to fraction form
    518,013.50/777,064.26 = 144,036.50/x
  3. Step 3: Cross multiply
    518,013.50x = 777,064.26 × 144,036.50
  4. Step 4: Simplify right side
    518,013.50x = 111,925,616,285.49
  5. Step 5: Solve for x
    x = 111,925,616,285.49/518,013.50
  6. Step 6: Final answer
    x = 216,066.99

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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.