Home / 494,739.38-742,071.80-157,766.42

Finding the Fourth Proportional to 494,739.38, 742,071.80 and 157,766.42

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Solution

The fourth proportional to 494,739.38, 742,071.80 and 157,766.42 is: 236,637.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,739.38 : 742,071.80 = 157,766.42 : x
  2. Step 2: Convert to fraction form
    494,739.38/742,071.80 = 157,766.42/x
  3. Step 3: Cross multiply
    494,739.38x = 742,071.80 × 157,766.42
  4. Step 4: Simplify right side
    494,739.38x = 117,074,006,769.77
  5. Step 5: Solve for x
    x = 117,074,006,769.77/494,739.38
  6. Step 6: Final answer
    x = 236,637.74

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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.