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Finding the Fourth Proportional to 145,773, 218,659.76 and 40,591.96

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Solution

The fourth proportional to 145,773, 218,659.76 and 40,591.96 is: 60,888.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,773 : 218,659.76 = 40,591.96 : x
  2. Step 2: Convert to fraction form
    145,773/218,659.76 = 40,591.96/x
  3. Step 3: Cross multiply
    145,773x = 218,659.76 × 40,591.96
  4. Step 4: Simplify right side
    145,773x = 8,875,828,231.53
  5. Step 5: Solve for x
    x = 8,875,828,231.53/145,773
  6. Step 6: Final answer
    x = 60,888.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.