Home / 487,537.02-730,518.21-187,666.52

Finding the Fourth Proportional to 487,537.02, 730,518.21 and 187,666.52

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Solution

The fourth proportional to 487,537.02, 730,518.21 and 187,666.52 is: 281,196.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,537.02 : 730,518.21 = 187,666.52 : x
  2. Step 2: Convert to fraction form
    487,537.02/730,518.21 = 187,666.52/x
  3. Step 3: Cross multiply
    487,537.02x = 730,518.21 × 187,666.52
  4. Step 4: Simplify right side
    487,537.02x = 137,093,806,614.74
  5. Step 5: Solve for x
    x = 137,093,806,614.74/487,537.02
  6. Step 6: Final answer
    x = 281,196.71

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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.