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Finding the Fourth Proportional to 332,498.21, 498,853.55 and 119,122.07

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Solution

The fourth proportional to 332,498.21, 498,853.55 and 119,122.07 is: 178,721.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,498.21 : 498,853.55 = 119,122.07 : x
  2. Step 2: Convert to fraction form
    332,498.21/498,853.55 = 119,122.07/x
  3. Step 3: Cross multiply
    332,498.21x = 498,853.55 × 119,122.07
  4. Step 4: Simplify right side
    332,498.21x = 59,424,465,306.39
  5. Step 5: Solve for x
    x = 59,424,465,306.39/332,498.21
  6. Step 6: Final answer
    x = 178,721.16

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1.5x scale

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.