Home / 294,771.16-442,155.30-84,409

Finding the Fourth Proportional to 294,771.16, 442,155.30 and 84,409

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Solution

The fourth proportional to 294,771.16, 442,155.30 and 84,409 is: 126,613.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,771.16 : 442,155.30 = 84,409 : x
  2. Step 2: Convert to fraction form
    294,771.16/442,155.30 = 84,409/x
  3. Step 3: Cross multiply
    294,771.16x = 442,155.30 × 84,409
  4. Step 4: Simplify right side
    294,771.16x = 37,321,886,717.70
  5. Step 5: Solve for x
    x = 37,321,886,717.70/294,771.16
  6. Step 6: Final answer
    x = 126,613.09

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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.