Home / 279,519.04-385,731.28-152,192.32

Finding the Fourth Proportional to 279,519.04, 385,731.28 and 152,192.32

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Solution

The fourth proportional to 279,519.04, 385,731.28 and 152,192.32 is: 210,022.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,519.04 : 385,731.28 = 152,192.32 : x
  2. Step 2: Convert to fraction form
    279,519.04/385,731.28 = 152,192.32/x
  3. Step 3: Cross multiply
    279,519.04x = 385,731.28 × 152,192.32
  4. Step 4: Simplify right side
    279,519.04x = 58,705,338,399.77
  5. Step 5: Solve for x
    x = 58,705,338,399.77/279,519.04
  6. Step 6: Final answer
    x = 210,022.68

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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.