Home / 289,154.48-433,761.12-99,590.18

Finding the Fourth Proportional to 289,154.48, 433,761.12 and 99,590.18

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Solution

The fourth proportional to 289,154.48, 433,761.12 and 99,590.18 is: 149,395.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,154.48 : 433,761.12 = 99,590.18 : x
  2. Step 2: Convert to fraction form
    289,154.48/433,761.12 = 99,590.18/x
  3. Step 3: Cross multiply
    289,154.48x = 433,761.12 × 99,590.18
  4. Step 4: Simplify right side
    289,154.48x = 43,198,345,849.00
  5. Step 5: Solve for x
    x = 43,198,345,849.00/289,154.48
  6. Step 6: Final answer
    x = 149,395.39

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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.