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Finding the Fourth Proportional to 310,472.55, 464,780.55 and 190,150.62

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Solution

The fourth proportional to 310,472.55, 464,780.55 and 190,150.62 is: 284,657.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,472.55 : 464,780.55 = 190,150.62 : x
  2. Step 2: Convert to fraction form
    310,472.55/464,780.55 = 190,150.62/x
  3. Step 3: Cross multiply
    310,472.55x = 464,780.55 × 190,150.62
  4. Step 4: Simplify right side
    310,472.55x = 88,378,309,746.44
  5. Step 5: Solve for x
    x = 88,378,309,746.44/310,472.55
  6. Step 6: Final answer
    x = 284,657.40

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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.