Home / 287,301.35-430,807.83-167,397.05

Finding the Fourth Proportional to 287,301.35, 430,807.83 and 167,397.05

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Solution

The fourth proportional to 287,301.35, 430,807.83 and 167,397.05 is: 251,011.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,301.35 : 430,807.83 = 167,397.05 : x
  2. Step 2: Convert to fraction form
    287,301.35/430,807.83 = 167,397.05/x
  3. Step 3: Cross multiply
    287,301.35x = 430,807.83 × 167,397.05
  4. Step 4: Simplify right side
    287,301.35x = 72,115,957,704.86
  5. Step 5: Solve for x
    x = 72,115,957,704.86/287,301.35
  6. Step 6: Final answer
    x = 251,011.56

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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.