Home / 340,353.28-510,592-103,669.12

Finding the Fourth Proportional to 340,353.28, 510,592 and 103,669.12

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Solution

The fourth proportional to 340,353.28, 510,592 and 103,669.12 is: 155,522.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,353.28 : 510,592 = 103,669.12 : x
  2. Step 2: Convert to fraction form
    340,353.28/510,592 = 103,669.12/x
  3. Step 3: Cross multiply
    340,353.28x = 510,592 × 103,669.12
  4. Step 4: Simplify right side
    340,353.28x = 52,932,623,319.04
  5. Step 5: Solve for x
    x = 52,932,623,319.04/340,353.28
  6. Step 6: Final answer
    x = 155,522.59

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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.