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Finding the Fourth Proportional to 335,052.60, 502,521.30 and 124,582.20

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Solution

The fourth proportional to 335,052.60, 502,521.30 and 124,582.20 is: 186,851.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,052.60 : 502,521.30 = 124,582.20 : x
  2. Step 2: Convert to fraction form
    335,052.60/502,521.30 = 124,582.20/x
  3. Step 3: Cross multiply
    335,052.60x = 502,521.30 × 124,582.20
  4. Step 4: Simplify right side
    335,052.60x = 62,605,209,100.86
  5. Step 5: Solve for x
    x = 62,605,209,100.86/335,052.60
  6. Step 6: Final answer
    x = 186,851.88

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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.