Home / 395,325.28-592,995.21-142,624.72

Finding the Fourth Proportional to 395,325.28, 592,995.21 and 142,624.72

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Solution

The fourth proportional to 395,325.28, 592,995.21 and 142,624.72 is: 213,939.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,325.28 : 592,995.21 = 142,624.72 : x
  2. Step 2: Convert to fraction form
    395,325.28/592,995.21 = 142,624.72/x
  3. Step 3: Cross multiply
    395,325.28x = 592,995.21 × 142,624.72
  4. Step 4: Simplify right side
    395,325.28x = 84,575,774,305.10
  5. Step 5: Solve for x
    x = 84,575,774,305.10/395,325.28
  6. Step 6: Final answer
    x = 213,939.71

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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.