Home / 430,864.76-646,592.44-150,382.02

Finding the Fourth Proportional to 430,864.76, 646,592.44 and 150,382.02

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Solution

The fourth proportional to 430,864.76, 646,592.44 and 150,382.02 is: 225,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,864.76 : 646,592.44 = 150,382.02 : x
  2. Step 2: Convert to fraction form
    430,864.76/646,592.44 = 150,382.02/x
  3. Step 3: Cross multiply
    430,864.76x = 646,592.44 × 150,382.02
  4. Step 4: Simplify right side
    430,864.76x = 97,235,877,243.93
  5. Step 5: Solve for x
    x = 97,235,877,243.93/430,864.76
  6. Step 6: Final answer
    x = 225,676.10

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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.