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Finding the Fourth Proportional to 298,835.53, 448,319.00 and 88,489.87

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Solution

The fourth proportional to 298,835.53, 448,319.00 and 88,489.87 is: 132,754.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,835.53 : 448,319.00 = 88,489.87 : x
  2. Step 2: Convert to fraction form
    298,835.53/448,319.00 = 88,489.87/x
  3. Step 3: Cross multiply
    298,835.53x = 448,319.00 × 88,489.87
  4. Step 4: Simplify right side
    298,835.53x = 39,671,689,128.96
  5. Step 5: Solve for x
    x = 39,671,689,128.96/298,835.53
  6. Step 6: Final answer
    x = 132,754.26

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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.