Home / 279,827.02-386,151.51-152,500.06

Finding the Fourth Proportional to 279,827.02, 386,151.51 and 152,500.06

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Solution

The fourth proportional to 279,827.02, 386,151.51 and 152,500.06 is: 210,444.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,827.02 : 386,151.51 = 152,500.06 : x
  2. Step 2: Convert to fraction form
    279,827.02/386,151.51 = 152,500.06/x
  3. Step 3: Cross multiply
    279,827.02x = 386,151.51 × 152,500.06
  4. Step 4: Simplify right side
    279,827.02x = 58,888,128,444.09
  5. Step 5: Solve for x
    x = 58,888,128,444.09/279,827.02
  6. Step 6: Final answer
    x = 210,444.75

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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.