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Finding the Fourth Proportional to 218,004.84, 326,900.59 and 89,897.18

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Solution

The fourth proportional to 218,004.84, 326,900.59 and 89,897.18 is: 134,801.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,004.84 : 326,900.59 = 89,897.18 : x
  2. Step 2: Convert to fraction form
    218,004.84/326,900.59 = 89,897.18/x
  3. Step 3: Cross multiply
    218,004.84x = 326,900.59 × 89,897.18
  4. Step 4: Simplify right side
    218,004.84x = 29,387,439,322.09
  5. Step 5: Solve for x
    x = 29,387,439,322.09/218,004.84
  6. Step 6: Final answer
    x = 134,801.77

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1.5x scale

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.