Home / 228,504.02-315,331.66-126,527.28

Finding the Fourth Proportional to 228,504.02, 315,331.66 and 126,527.28

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Solution

The fourth proportional to 228,504.02, 315,331.66 and 126,527.28 is: 174,605.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,504.02 : 315,331.66 = 126,527.28 : x
  2. Step 2: Convert to fraction form
    228,504.02/315,331.66 = 126,527.28/x
  3. Step 3: Cross multiply
    228,504.02x = 315,331.66 × 126,527.28
  4. Step 4: Simplify right side
    228,504.02x = 39,898,057,646.61
  5. Step 5: Solve for x
    x = 39,898,057,646.61/228,504.02
  6. Step 6: Final answer
    x = 174,605.50

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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.