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Finding the Fourth Proportional to 473,064.54, 708,980.73 and 192,253.50

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Solution

The fourth proportional to 473,064.54, 708,980.73 and 192,253.50 is: 288,129.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,064.54 : 708,980.73 = 192,253.50 : x
  2. Step 2: Convert to fraction form
    473,064.54/708,980.73 = 192,253.50/x
  3. Step 3: Cross multiply
    473,064.54x = 708,980.73 × 192,253.50
  4. Step 4: Simplify right side
    473,064.54x = 136,304,026,775.06
  5. Step 5: Solve for x
    x = 136,304,026,775.06/473,064.54
  6. Step 6: Final answer
    x = 288,129.87

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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.