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Finding the Fourth Proportional to 487,437.42, 730,888.21 and 150,386.10

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Solution

The fourth proportional to 487,437.42, 730,888.21 and 150,386.10 is: 225,496.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,437.42 : 730,888.21 = 150,386.10 : x
  2. Step 2: Convert to fraction form
    487,437.42/730,888.21 = 150,386.10/x
  3. Step 3: Cross multiply
    487,437.42x = 730,888.21 × 150,386.10
  4. Step 4: Simplify right side
    487,437.42x = 109,915,427,437.88
  5. Step 5: Solve for x
    x = 109,915,427,437.88/487,437.42
  6. Step 6: Final answer
    x = 225,496.49

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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.