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Finding the Fourth Proportional to 487,053.67, 730,660.47 and 150,094.38

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Solution

The fourth proportional to 487,053.67, 730,660.47 and 150,094.38 is: 225,166.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,053.67 : 730,660.47 = 150,094.38 : x
  2. Step 2: Convert to fraction form
    487,053.67/730,660.47 = 150,094.38/x
  3. Step 3: Cross multiply
    487,053.67x = 730,660.47 × 150,094.38
  4. Step 4: Simplify right side
    487,053.67x = 109,668,028,408.51
  5. Step 5: Solve for x
    x = 109,668,028,408.51/487,053.67
  6. Step 6: Final answer
    x = 225,166.21

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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.