Home / 430,864.62-646,592.13-150,381.87

Finding the Fourth Proportional to 430,864.62, 646,592.13 and 150,381.87

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Solution

The fourth proportional to 430,864.62, 646,592.13 and 150,381.87 is: 225,675.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,864.62 : 646,592.13 = 150,381.87 : x
  2. Step 2: Convert to fraction form
    430,864.62/646,592.13 = 150,381.87/x
  3. Step 3: Cross multiply
    430,864.62x = 646,592.13 × 150,381.87
  4. Step 4: Simplify right side
    430,864.62x = 97,235,733,636.68
  5. Step 5: Solve for x
    x = 97,235,733,636.68/430,864.62
  6. Step 6: Final answer
    x = 225,675.84

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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.