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Finding the Fourth Proportional to 333,386.20, 500,079.30 and 133,737.40

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Solution

The fourth proportional to 333,386.20, 500,079.30 and 133,737.40 is: 200,606.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,386.20 : 500,079.30 = 133,737.40 : x
  2. Step 2: Convert to fraction form
    333,386.20/500,079.30 = 133,737.40/x
  3. Step 3: Cross multiply
    333,386.20x = 500,079.30 × 133,737.40
  4. Step 4: Simplify right side
    333,386.20x = 66,879,305,375.82
  5. Step 5: Solve for x
    x = 66,879,305,375.82/333,386.20
  6. Step 6: Final answer
    x = 200,606.10

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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.