Home / 297,979.98-447,031.56-98,312.58

Finding the Fourth Proportional to 297,979.98, 447,031.56 and 98,312.58

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Solution

The fourth proportional to 297,979.98, 447,031.56 and 98,312.58 is: 147,489.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,979.98 : 447,031.56 = 98,312.58 : x
  2. Step 2: Convert to fraction form
    297,979.98/447,031.56 = 98,312.58/x
  3. Step 3: Cross multiply
    297,979.98x = 447,031.56 × 98,312.58
  4. Step 4: Simplify right side
    297,979.98x = 43,948,826,005.02
  5. Step 5: Solve for x
    x = 43,948,826,005.02/297,979.98
  6. Step 6: Final answer
    x = 147,489.19

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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.