Home / 417,121.20-625,811.40-164,433.60

Finding the Fourth Proportional to 417,121.20, 625,811.40 and 164,433.60

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Solution

The fourth proportional to 417,121.20, 625,811.40 and 164,433.60 is: 246,701.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,121.20 : 625,811.40 = 164,433.60 : x
  2. Step 2: Convert to fraction form
    417,121.20/625,811.40 = 164,433.60/x
  3. Step 3: Cross multiply
    417,121.20x = 625,811.40 × 164,433.60
  4. Step 4: Simplify right side
    417,121.20x = 102,904,421,423.04
  5. Step 5: Solve for x
    x = 102,904,421,423.04/417,121.20
  6. Step 6: Final answer
    x = 246,701.49

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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.