Home / 296,209.08-408,343.37-211,178.52

Finding the Fourth Proportional to 296,209.08, 408,343.37 and 211,178.52

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Solution

The fourth proportional to 296,209.08, 408,343.37 and 211,178.52 is: 291,123.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,209.08 : 408,343.37 = 211,178.52 : x
  2. Step 2: Convert to fraction form
    296,209.08/408,343.37 = 211,178.52/x
  3. Step 3: Cross multiply
    296,209.08x = 408,343.37 × 211,178.52
  4. Step 4: Simplify right side
    296,209.08x = 86,233,347,472.52
  5. Step 5: Solve for x
    x = 86,233,347,472.52/296,209.08
  6. Step 6: Final answer
    x = 291,123.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.