Home / 387,743.02-581,501.52-151,029.43

Finding the Fourth Proportional to 387,743.02, 581,501.52 and 151,029.43

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Solution

The fourth proportional to 387,743.02, 581,501.52 and 151,029.43 is: 226,500.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,743.02 : 581,501.52 = 151,029.43 : x
  2. Step 2: Convert to fraction form
    387,743.02/581,501.52 = 151,029.43/x
  3. Step 3: Cross multiply
    387,743.02x = 581,501.52 × 151,029.43
  4. Step 4: Simplify right side
    387,743.02x = 87,823,843,109.73
  5. Step 5: Solve for x
    x = 87,823,843,109.73/387,743.02
  6. Step 6: Final answer
    x = 226,500.13

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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.