Home / 340,396.55-510,540.15-103,684.18

Finding the Fourth Proportional to 340,396.55, 510,540.15 and 103,684.18

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Solution

The fourth proportional to 340,396.55, 510,540.15 and 103,684.18 is: 155,509.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,396.55 : 510,540.15 = 103,684.18 : x
  2. Step 2: Convert to fraction form
    340,396.55/510,540.15 = 103,684.18/x
  3. Step 3: Cross multiply
    340,396.55x = 510,540.15 × 103,684.18
  4. Step 4: Simplify right side
    340,396.55x = 52,934,936,809.83
  5. Step 5: Solve for x
    x = 52,934,936,809.83/340,396.55
  6. Step 6: Final answer
    x = 155,509.62

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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.