Home / 312,924.48-469,423.38-99,617.66

Finding the Fourth Proportional to 312,924.48, 469,423.38 and 99,617.66

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Solution

The fourth proportional to 312,924.48, 469,423.38 and 99,617.66 is: 149,438.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,924.48 : 469,423.38 = 99,617.66 : x
  2. Step 2: Convert to fraction form
    312,924.48/469,423.38 = 99,617.66/x
  3. Step 3: Cross multiply
    312,924.48x = 469,423.38 × 99,617.66
  4. Step 4: Simplify right side
    312,924.48x = 46,762,858,664.89
  5. Step 5: Solve for x
    x = 46,762,858,664.89/312,924.48
  6. Step 6: Final answer
    x = 149,438.16

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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.