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Finding the Fourth Proportional to 610,344.64, 915,342 and 183,921.76

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Solution

The fourth proportional to 610,344.64, 915,342 and 183,921.76 is: 275,829.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,344.64 : 915,342 = 183,921.76 : x
  2. Step 2: Convert to fraction form
    610,344.64/915,342 = 183,921.76/x
  3. Step 3: Cross multiply
    610,344.64x = 915,342 × 183,921.76
  4. Step 4: Simplify right side
    610,344.64x = 168,351,311,641.92
  5. Step 5: Solve for x
    x = 168,351,311,641.92/610,344.64
  6. Step 6: Final answer
    x = 275,829.92

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1.5x scale

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.