Home / 228,307.48-315,056.19-126,331.18

Finding the Fourth Proportional to 228,307.48, 315,056.19 and 126,331.18

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Solution

The fourth proportional to 228,307.48, 315,056.19 and 126,331.18 is: 174,332.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,307.48 : 315,056.19 = 126,331.18 : x
  2. Step 2: Convert to fraction form
    228,307.48/315,056.19 = 126,331.18/x
  3. Step 3: Cross multiply
    228,307.48x = 315,056.19 × 126,331.18
  4. Step 4: Simplify right side
    228,307.48x = 39,801,420,249.00
  5. Step 5: Solve for x
    x = 39,801,420,249.00/228,307.48
  6. Step 6: Final answer
    x = 174,332.53

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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.