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Finding the Fourth Proportional to 610,455.59, 915,558.69 and 231,245.58

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Solution

The fourth proportional to 610,455.59, 915,558.69 and 231,245.58 is: 346,821.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,455.59 : 915,558.69 = 231,245.58 : x
  2. Step 2: Convert to fraction form
    610,455.59/915,558.69 = 231,245.58/x
  3. Step 3: Cross multiply
    610,455.59x = 915,558.69 × 231,245.58
  4. Step 4: Simplify right side
    610,455.59x = 211,718,904,593.61
  5. Step 5: Solve for x
    x = 211,718,904,593.61/610,455.59
  6. Step 6: Final answer
    x = 346,821.14

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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.