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Finding the Fourth Proportional to 155,970, 233,979.32 and 50,764.08

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Solution

The fourth proportional to 155,970, 233,979.32 and 50,764.08 is: 76,154.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,970 : 233,979.32 = 50,764.08 : x
  2. Step 2: Convert to fraction form
    155,970/233,979.32 = 50,764.08/x
  3. Step 3: Cross multiply
    155,970x = 233,979.32 × 50,764.08
  4. Step 4: Simplify right side
    155,970x = 11,877,744,918.83
  5. Step 5: Solve for x
    x = 11,877,744,918.83/155,970
  6. Step 6: Final answer
    x = 76,154.04

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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.