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Finding the Fourth Proportional to 666,957.51, 999,823.22 and 240,388.93

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Solution

The fourth proportional to 666,957.51, 999,823.22 and 240,388.93 is: 360,362.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,957.51 : 999,823.22 = 240,388.93 : x
  2. Step 2: Convert to fraction form
    666,957.51/999,823.22 = 240,388.93/x
  3. Step 3: Cross multiply
    666,957.51x = 999,823.22 × 240,388.93
  4. Step 4: Simplify right side
    666,957.51x = 240,346,434,044.96
  5. Step 5: Solve for x
    x = 240,346,434,044.96/666,957.51
  6. Step 6: Final answer
    x = 360,362.44

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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.