Home / 340,496.30-510,743.07-103,838.29

Finding the Fourth Proportional to 340,496.30, 510,743.07 and 103,838.29

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Solution

The fourth proportional to 340,496.30, 510,743.07 and 103,838.29 is: 155,757.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,496.30 : 510,743.07 = 103,838.29 : x
  2. Step 2: Convert to fraction form
    340,496.30/510,743.07 = 103,838.29/x
  3. Step 3: Cross multiply
    340,496.30x = 510,743.07 × 103,838.29
  4. Step 4: Simplify right side
    340,496.30x = 53,034,687,018.15
  5. Step 5: Solve for x
    x = 53,034,687,018.15/340,496.30
  6. Step 6: Final answer
    x = 155,757.01

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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.