Home / 485,091.60-727,637.40-248,895.60

Finding the Fourth Proportional to 485,091.60, 727,637.40 and 248,895.60

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Solution

The fourth proportional to 485,091.60, 727,637.40 and 248,895.60 is: 373,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,091.60 : 727,637.40 = 248,895.60 : x
  2. Step 2: Convert to fraction form
    485,091.60/727,637.40 = 248,895.60/x
  3. Step 3: Cross multiply
    485,091.60x = 727,637.40 × 248,895.60
  4. Step 4: Simplify right side
    485,091.60x = 181,105,747,255.44
  5. Step 5: Solve for x
    x = 181,105,747,255.44/485,091.60
  6. Step 6: Final answer
    x = 373,343.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.