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Finding the Fourth Proportional to 336,475.20, 504,801.90 and 146,854.20

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Solution

The fourth proportional to 336,475.20, 504,801.90 and 146,854.20 is: 220,320.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,475.20 : 504,801.90 = 146,854.20 : x
  2. Step 2: Convert to fraction form
    336,475.20/504,801.90 = 146,854.20/x
  3. Step 3: Cross multiply
    336,475.20x = 504,801.90 × 146,854.20
  4. Step 4: Simplify right side
    336,475.20x = 74,132,279,182.98
  5. Step 5: Solve for x
    x = 74,132,279,182.98/336,475.20
  6. Step 6: Final answer
    x = 220,320.19

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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.