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Finding the Fourth Proportional to 243,000.06, 335,339.22 and 135,570.03

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Solution

The fourth proportional to 243,000.06, 335,339.22 and 135,570.03 is: 187,086.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,000.06 : 335,339.22 = 135,570.03 : x
  2. Step 2: Convert to fraction form
    243,000.06/335,339.22 = 135,570.03/x
  3. Step 3: Cross multiply
    243,000.06x = 335,339.22 × 135,570.03
  4. Step 4: Simplify right side
    243,000.06x = 45,461,948,115.58
  5. Step 5: Solve for x
    x = 45,461,948,115.58/243,000.06
  6. Step 6: Final answer
    x = 187,086.16

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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.