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Finding the Fourth Proportional to 340,147.32, 510,294.80 and 103,483.85

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Solution

The fourth proportional to 340,147.32, 510,294.80 and 103,483.85 is: 155,248.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,147.32 : 510,294.80 = 103,483.85 : x
  2. Step 2: Convert to fraction form
    340,147.32/510,294.80 = 103,483.85/x
  3. Step 3: Cross multiply
    340,147.32x = 510,294.80 × 103,483.85
  4. Step 4: Simplify right side
    340,147.32x = 52,807,271,491.33
  5. Step 5: Solve for x
    x = 52,807,271,491.33/340,147.32
  6. Step 6: Final answer
    x = 155,248.23

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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.