Home / 279,326.26-385,478.28-152,009.92

Finding the Fourth Proportional to 279,326.26, 385,478.28 and 152,009.92

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Solution

The fourth proportional to 279,326.26, 385,478.28 and 152,009.92 is: 209,778.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,326.26 : 385,478.28 = 152,009.92 : x
  2. Step 2: Convert to fraction form
    279,326.26/385,478.28 = 152,009.92/x
  3. Step 3: Cross multiply
    279,326.26x = 385,478.28 × 152,009.92
  4. Step 4: Simplify right side
    279,326.26x = 58,596,519,817.10
  5. Step 5: Solve for x
    x = 58,596,519,817.10/279,326.26
  6. Step 6: Final answer
    x = 209,778.06

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1.5x scale

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.