Home / 279,706.32-385,993.80-152,381.52

Finding the Fourth Proportional to 279,706.32, 385,993.80 and 152,381.52

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Solution

The fourth proportional to 279,706.32, 385,993.80 and 152,381.52 is: 210,286.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,706.32 : 385,993.80 = 152,381.52 : x
  2. Step 2: Convert to fraction form
    279,706.32/385,993.80 = 152,381.52/x
  3. Step 3: Cross multiply
    279,706.32x = 385,993.80 × 152,381.52
  4. Step 4: Simplify right side
    279,706.32x = 58,818,321,954.58
  5. Step 5: Solve for x
    x = 58,818,321,954.58/279,706.32
  6. Step 6: Final answer
    x = 210,286.00

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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.