Home / 417,013.28-625,520-167,636.96

Finding the Fourth Proportional to 417,013.28, 625,520 and 167,636.96

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Solution

The fourth proportional to 417,013.28, 625,520 and 167,636.96 is: 251,455.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,013.28 : 625,520 = 167,636.96 : x
  2. Step 2: Convert to fraction form
    417,013.28/625,520 = 167,636.96/x
  3. Step 3: Cross multiply
    417,013.28x = 625,520 × 167,636.96
  4. Step 4: Simplify right side
    417,013.28x = 104,860,271,219.20
  5. Step 5: Solve for x
    x = 104,860,271,219.20/417,013.28
  6. Step 6: Final answer
    x = 251,455.47

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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.