Home / 285,186.38-427,631.91-152,030.87

Finding the Fourth Proportional to 285,186.38, 427,631.91 and 152,030.87

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Solution

The fourth proportional to 285,186.38, 427,631.91 and 152,030.87 is: 227,967.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,186.38 : 427,631.91 = 152,030.87 : x
  2. Step 2: Convert to fraction form
    285,186.38/427,631.91 = 152,030.87/x
  3. Step 3: Cross multiply
    285,186.38x = 427,631.91 × 152,030.87
  4. Step 4: Simplify right side
    285,186.38x = 65,013,251,317.06
  5. Step 5: Solve for x
    x = 65,013,251,317.06/285,186.38
  6. Step 6: Final answer
    x = 227,967.59

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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.