Home / 228,257.36-315,004.56-126,281.16

Finding the Fourth Proportional to 228,257.36, 315,004.56 and 126,281.16

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Solution

The fourth proportional to 228,257.36, 315,004.56 and 126,281.16 is: 174,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,257.36 : 315,004.56 = 126,281.16 : x
  2. Step 2: Convert to fraction form
    228,257.36/315,004.56 = 126,281.16/x
  3. Step 3: Cross multiply
    228,257.36x = 315,004.56 × 126,281.16
  4. Step 4: Simplify right side
    228,257.36x = 39,779,141,242.09
  5. Step 5: Solve for x
    x = 39,779,141,242.09/228,257.36
  6. Step 6: Final answer
    x = 174,273.20

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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.