Home / 221,783.46-306,060.87-126,290.15

Finding the Fourth Proportional to 221,783.46, 306,060.87 and 126,290.15

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Solution

The fourth proportional to 221,783.46, 306,060.87 and 126,290.15 is: 174,280.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,783.46 : 306,060.87 = 126,290.15 : x
  2. Step 2: Convert to fraction form
    221,783.46/306,060.87 = 126,290.15/x
  3. Step 3: Cross multiply
    221,783.46x = 306,060.87 × 126,290.15
  4. Step 4: Simplify right side
    221,783.46x = 38,652,473,181.43
  5. Step 5: Solve for x
    x = 38,652,473,181.43/221,783.46
  6. Step 6: Final answer
    x = 174,280.23

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1.5x scale

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.