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Finding the Fourth Proportional to 199,558, 299,386.32 and 59,316.04

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Solution

The fourth proportional to 199,558, 299,386.32 and 59,316.04 is: 88,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,558 : 299,386.32 = 59,316.04 : x
  2. Step 2: Convert to fraction form
    199,558/299,386.32 = 59,316.04/x
  3. Step 3: Cross multiply
    199,558x = 299,386.32 × 59,316.04
  4. Step 4: Simplify right side
    199,558x = 17,758,410,932.57
  5. Step 5: Solve for x
    x = 17,758,410,932.57/199,558
  6. Step 6: Final answer
    x = 88,988.72

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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.