Home / 331,777.18-497,666.10-82,459.18

Finding the Fourth Proportional to 331,777.18, 497,666.10 and 82,459.18

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Solution

The fourth proportional to 331,777.18, 497,666.10 and 82,459.18 is: 123,688.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,777.18 : 497,666.10 = 82,459.18 : x
  2. Step 2: Convert to fraction form
    331,777.18/497,666.10 = 82,459.18/x
  3. Step 3: Cross multiply
    331,777.18x = 497,666.10 × 82,459.18
  4. Step 4: Simplify right side
    331,777.18x = 41,037,136,031.47
  5. Step 5: Solve for x
    x = 41,037,136,031.47/331,777.18
  6. Step 6: Final answer
    x = 123,688.85

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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.