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Finding the Fourth Proportional to 487,437.40, 730,976.95 and 167,498.54

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Solution

The fourth proportional to 487,437.40, 730,976.95 and 167,498.54 is: 251,186.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,437.40 : 730,976.95 = 167,498.54 : x
  2. Step 2: Convert to fraction form
    487,437.40/730,976.95 = 167,498.54/x
  3. Step 3: Cross multiply
    487,437.40x = 730,976.95 × 167,498.54
  4. Step 4: Simplify right side
    487,437.40x = 122,437,571,898.65
  5. Step 5: Solve for x
    x = 122,437,571,898.65/487,437.40
  6. Step 6: Final answer
    x = 251,186.25

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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.