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Finding the Fourth Proportional to 218,259.27, 301,239.18 and 136,625.49

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Solution

The fourth proportional to 218,259.27, 301,239.18 and 136,625.49 is: 188,569.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,259.27 : 301,239.18 = 136,625.49 : x
  2. Step 2: Convert to fraction form
    218,259.27/301,239.18 = 136,625.49/x
  3. Step 3: Cross multiply
    218,259.27x = 301,239.18 × 136,625.49
  4. Step 4: Simplify right side
    218,259.27x = 41,156,950,574.70
  5. Step 5: Solve for x
    x = 41,156,950,574.70/218,259.27
  6. Step 6: Final answer
    x = 188,569.08

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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.