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Finding the Fourth Proportional to 531,695.55, 797,661.87 and 152,586.73

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Solution

The fourth proportional to 531,695.55, 797,661.87 and 152,586.73 is: 228,914.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,695.55 : 797,661.87 = 152,586.73 : x
  2. Step 2: Convert to fraction form
    531,695.55/797,661.87 = 152,586.73/x
  3. Step 3: Cross multiply
    531,695.55x = 797,661.87 × 152,586.73
  4. Step 4: Simplify right side
    531,695.55x = 121,712,616,388.99
  5. Step 5: Solve for x
    x = 121,712,616,388.99/531,695.55
  6. Step 6: Final answer
    x = 228,914.12

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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.