Home / 340,320.38-510,461.94-103,643.24

Finding the Fourth Proportional to 340,320.38, 510,461.94 and 103,643.24

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Solution

The fourth proportional to 340,320.38, 510,461.94 and 103,643.24 is: 155,459.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,320.38 : 510,461.94 = 103,643.24 : x
  2. Step 2: Convert to fraction form
    340,320.38/510,461.94 = 103,643.24/x
  3. Step 3: Cross multiply
    340,320.38x = 510,461.94 × 103,643.24
  4. Step 4: Simplify right side
    340,320.38x = 52,905,929,358.29
  5. Step 5: Solve for x
    x = 52,905,929,358.29/340,320.38
  6. Step 6: Final answer
    x = 155,459.19

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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.