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Finding the Fourth Proportional to 243,520.06, 335,840.07 and 152,884.45

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Solution

The fourth proportional to 243,520.06, 335,840.07 and 152,884.45 is: 210,843.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,520.06 : 335,840.07 = 152,884.45 : x
  2. Step 2: Convert to fraction form
    243,520.06/335,840.07 = 152,884.45/x
  3. Step 3: Cross multiply
    243,520.06x = 335,840.07 × 152,884.45
  4. Step 4: Simplify right side
    243,520.06x = 51,344,724,389.91
  5. Step 5: Solve for x
    x = 51,344,724,389.91/243,520.06
  6. Step 6: Final answer
    x = 210,843.92

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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.