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Finding the Fourth Proportional to 395,302.40, 592,979.58 and 158,614.32

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Solution

The fourth proportional to 395,302.40, 592,979.58 and 158,614.32 is: 237,931.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,302.40 : 592,979.58 = 158,614.32 : x
  2. Step 2: Convert to fraction form
    395,302.40/592,979.58 = 158,614.32/x
  3. Step 3: Cross multiply
    395,302.40x = 592,979.58 × 158,614.32
  4. Step 4: Simplify right side
    395,302.40x = 94,055,052,855.59
  5. Step 5: Solve for x
    x = 94,055,052,855.59/395,302.40
  6. Step 6: Final answer
    x = 237,931.90

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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.