Home / 487,097.02-730,718.26-150,109.66

Finding the Fourth Proportional to 487,097.02, 730,718.26 and 150,109.66

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Solution

The fourth proportional to 487,097.02, 730,718.26 and 150,109.66 is: 225,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,097.02 : 730,718.26 = 150,109.66 : x
  2. Step 2: Convert to fraction form
    487,097.02/730,718.26 = 150,109.66/x
  3. Step 3: Cross multiply
    487,097.02x = 730,718.26 × 150,109.66
  4. Step 4: Simplify right side
    487,097.02x = 109,687,869,564.39
  5. Step 5: Solve for x
    x = 109,687,869,564.39/487,097.02
  6. Step 6: Final answer
    x = 225,186.90

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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.