Home / 385,282.04-577,927.02-172,060.80

Finding the Fourth Proportional to 385,282.04, 577,927.02 and 172,060.80

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Solution

The fourth proportional to 385,282.04, 577,927.02 and 172,060.80 is: 258,092.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,282.04 : 577,927.02 = 172,060.80 : x
  2. Step 2: Convert to fraction form
    385,282.04/577,927.02 = 172,060.80/x
  3. Step 3: Cross multiply
    385,282.04x = 577,927.02 × 172,060.80
  4. Step 4: Simplify right side
    385,282.04x = 99,438,585,402.82
  5. Step 5: Solve for x
    x = 99,438,585,402.82/385,282.04
  6. Step 6: Final answer
    x = 258,092.97

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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.