Home / 279,384.32-385,549.26-152,060.96

Finding the Fourth Proportional to 279,384.32, 385,549.26 and 152,060.96

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Solution

The fourth proportional to 279,384.32, 385,549.26 and 152,060.96 is: 209,843.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,384.32 : 385,549.26 = 152,060.96 : x
  2. Step 2: Convert to fraction form
    279,384.32/385,549.26 = 152,060.96/x
  3. Step 3: Cross multiply
    279,384.32x = 385,549.26 × 152,060.96
  4. Step 4: Simplify right side
    279,384.32x = 58,626,990,602.89
  5. Step 5: Solve for x
    x = 58,626,990,602.89/279,384.32
  6. Step 6: Final answer
    x = 209,843.53

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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.