Home / 279,555.12-385,775.88-152,227.92

Finding the Fourth Proportional to 279,555.12, 385,775.88 and 152,227.92

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Solution

The fourth proportional to 279,555.12, 385,775.88 and 152,227.92 is: 210,068.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,555.12 : 385,775.88 = 152,227.92 : x
  2. Step 2: Convert to fraction form
    279,555.12/385,775.88 = 152,227.92/x
  3. Step 3: Cross multiply
    279,555.12x = 385,775.88 × 152,227.92
  4. Step 4: Simplify right side
    279,555.12x = 58,725,859,798.57
  5. Step 5: Solve for x
    x = 58,725,859,798.57/279,555.12
  6. Step 6: Final answer
    x = 210,068.98

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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.