Home / 207,270.90-310,910.02-74,246.62

Finding the Fourth Proportional to 207,270.90, 310,910.02 and 74,246.62

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Solution

The fourth proportional to 207,270.90, 310,910.02 and 74,246.62 is: 111,371.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,270.90 : 310,910.02 = 74,246.62 : x
  2. Step 2: Convert to fraction form
    207,270.90/310,910.02 = 74,246.62/x
  3. Step 3: Cross multiply
    207,270.90x = 310,910.02 × 74,246.62
  4. Step 4: Simplify right side
    207,270.90x = 23,084,018,109.13
  5. Step 5: Solve for x
    x = 23,084,018,109.13/207,270.90
  6. Step 6: Final answer
    x = 111,371.24

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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.