Home / 247,008.20-370,512.30-89,241.80

Finding the Fourth Proportional to 247,008.20, 370,512.30 and 89,241.80

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Solution

The fourth proportional to 247,008.20, 370,512.30 and 89,241.80 is: 133,862.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,008.20 : 370,512.30 = 89,241.80 : x
  2. Step 2: Convert to fraction form
    247,008.20/370,512.30 = 89,241.80/x
  3. Step 3: Cross multiply
    247,008.20x = 370,512.30 × 89,241.80
  4. Step 4: Simplify right side
    247,008.20x = 33,065,184,574.14
  5. Step 5: Solve for x
    x = 33,065,184,574.14/247,008.20
  6. Step 6: Final answer
    x = 133,862.70

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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.