Home / 385,286.04-577,933.02-172,064.80

Finding the Fourth Proportional to 385,286.04, 577,933.02 and 172,064.80

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Solution

The fourth proportional to 385,286.04, 577,933.02 and 172,064.80 is: 258,098.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,286.04 : 577,933.02 = 172,064.80 : x
  2. Step 2: Convert to fraction form
    385,286.04/577,933.02 = 172,064.80/x
  3. Step 3: Cross multiply
    385,286.04x = 577,933.02 × 172,064.80
  4. Step 4: Simplify right side
    385,286.04x = 99,441,929,499.70
  5. Step 5: Solve for x
    x = 99,441,929,499.70/385,286.04
  6. Step 6: Final answer
    x = 258,098.97

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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.