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Finding the Fourth Proportional to 248,276.40, 373,192.20 and 243,610.80

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Solution

The fourth proportional to 248,276.40, 373,192.20 and 243,610.80 is: 366,179.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,276.40 : 373,192.20 = 243,610.80 : x
  2. Step 2: Convert to fraction form
    248,276.40/373,192.20 = 243,610.80/x
  3. Step 3: Cross multiply
    248,276.40x = 373,192.20 × 243,610.80
  4. Step 4: Simplify right side
    248,276.40x = 90,913,650,395.76
  5. Step 5: Solve for x
    x = 90,913,650,395.76/248,276.40
  6. Step 6: Final answer
    x = 366,179.19

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1.5x scale

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.