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Finding the Fourth Proportional to 243,520.47, 335,840.68 and 152,884.88

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Solution

The fourth proportional to 243,520.47, 335,840.68 and 152,884.88 is: 210,844.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,520.47 : 335,840.68 = 152,884.88 : x
  2. Step 2: Convert to fraction form
    243,520.47/335,840.68 = 152,884.88/x
  3. Step 3: Cross multiply
    243,520.47x = 335,840.68 × 152,884.88
  4. Step 4: Simplify right side
    243,520.47x = 51,344,962,518.31
  5. Step 5: Solve for x
    x = 51,344,962,518.31/243,520.47
  6. Step 6: Final answer
    x = 210,844.54

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1.5x scale

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.