Home / 289,498.10-434,279.26-99,937.02

Finding the Fourth Proportional to 289,498.10, 434,279.26 and 99,937.02

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Solution

The fourth proportional to 289,498.10, 434,279.26 and 99,937.02 is: 149,916.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,498.10 : 434,279.26 = 99,937.02 : x
  2. Step 2: Convert to fraction form
    289,498.10/434,279.26 = 99,937.02/x
  3. Step 3: Cross multiply
    289,498.10x = 434,279.26 × 99,937.02
  4. Step 4: Simplify right side
    289,498.10x = 43,400,575,092.21
  5. Step 5: Solve for x
    x = 43,400,575,092.21/289,498.10
  6. Step 6: Final answer
    x = 149,916.61

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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.