Home / 228,309.48-315,058.95-126,333.18

Finding the Fourth Proportional to 228,309.48, 315,058.95 and 126,333.18

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Solution

The fourth proportional to 228,309.48, 315,058.95 and 126,333.18 is: 174,335.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,309.48 : 315,058.95 = 126,333.18 : x
  2. Step 2: Convert to fraction form
    228,309.48/315,058.95 = 126,333.18/x
  3. Step 3: Cross multiply
    228,309.48x = 315,058.95 × 126,333.18
  4. Step 4: Simplify right side
    228,309.48x = 39,802,399,040.96
  5. Step 5: Solve for x
    x = 39,802,399,040.96/228,309.48
  6. Step 6: Final answer
    x = 174,335.29

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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.