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Finding the Fourth Proportional to 218,305.89, 301,134.44 and 141,875.89

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Solution

The fourth proportional to 218,305.89, 301,134.44 and 141,875.89 is: 195,705.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,305.89 : 301,134.44 = 141,875.89 : x
  2. Step 2: Convert to fraction form
    218,305.89/301,134.44 = 141,875.89/x
  3. Step 3: Cross multiply
    218,305.89x = 301,134.44 × 141,875.89
  4. Step 4: Simplify right side
    218,305.89x = 42,723,716,640.82
  5. Step 5: Solve for x
    x = 42,723,716,640.82/218,305.89
  6. Step 6: Final answer
    x = 195,705.74

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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.