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Finding the Fourth Proportional to 243,098.19, 335,466.70 and 134,200.19

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Solution

The fourth proportional to 243,098.19, 335,466.70 and 134,200.19 is: 185,191.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,098.19 : 335,466.70 = 134,200.19 : x
  2. Step 2: Convert to fraction form
    243,098.19/335,466.70 = 134,200.19/x
  3. Step 3: Cross multiply
    243,098.19x = 335,466.70 × 134,200.19
  4. Step 4: Simplify right side
    243,098.19x = 45,019,695,381.84
  5. Step 5: Solve for x
    x = 45,019,695,381.84/243,098.19
  6. Step 6: Final answer
    x = 185,191.41

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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.