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Finding the Fourth Proportional to 666,967.54, 999,838.27 and 240,398.98

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Solution

The fourth proportional to 666,967.54, 999,838.27 and 240,398.98 is: 360,377.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,967.54 : 999,838.27 = 240,398.98 : x
  2. Step 2: Convert to fraction form
    666,967.54/999,838.27 = 240,398.98/x
  3. Step 3: Cross multiply
    666,967.54x = 999,838.27 × 240,398.98
  4. Step 4: Simplify right side
    666,967.54x = 240,360,100,272.97
  5. Step 5: Solve for x
    x = 240,360,100,272.97/666,967.54
  6. Step 6: Final answer
    x = 360,377.51

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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.