Home / 279,741.02-386,042.60-152,416.61

Finding the Fourth Proportional to 279,741.02, 386,042.60 and 152,416.61

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Solution

The fourth proportional to 279,741.02, 386,042.60 and 152,416.61 is: 210,334.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,741.02 : 386,042.60 = 152,416.61 : x
  2. Step 2: Convert to fraction form
    279,741.02/386,042.60 = 152,416.61/x
  3. Step 3: Cross multiply
    279,741.02x = 386,042.60 × 152,416.61
  4. Step 4: Simplify right side
    279,741.02x = 58,839,301,715.29
  5. Step 5: Solve for x
    x = 58,839,301,715.29/279,741.02
  6. Step 6: Final answer
    x = 210,334.91

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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.