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Finding the Fourth Proportional to 498,162.02, 687,460.02 and 283,301.96

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Solution

The fourth proportional to 498,162.02, 687,460.02 and 283,301.96 is: 390,954.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,162.02 : 687,460.02 = 283,301.96 : x
  2. Step 2: Convert to fraction form
    498,162.02/687,460.02 = 283,301.96/x
  3. Step 3: Cross multiply
    498,162.02x = 687,460.02 × 283,301.96
  4. Step 4: Simplify right side
    498,162.02x = 194,758,771,087.64
  5. Step 5: Solve for x
    x = 194,758,771,087.64/498,162.02
  6. Step 6: Final answer
    x = 390,954.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.