Home / 279,853.02-386,201.55-152,528.46

Finding the Fourth Proportional to 279,853.02, 386,201.55 and 152,528.46

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Solution

The fourth proportional to 279,853.02, 386,201.55 and 152,528.46 is: 210,491.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,853.02 : 386,201.55 = 152,528.46 : x
  2. Step 2: Convert to fraction form
    279,853.02/386,201.55 = 152,528.46/x
  3. Step 3: Cross multiply
    279,853.02x = 386,201.55 × 152,528.46
  4. Step 4: Simplify right side
    279,853.02x = 58,906,727,671.11
  5. Step 5: Solve for x
    x = 58,906,727,671.11/279,853.02
  6. Step 6: Final answer
    x = 210,491.66

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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.