Home / 228,258.36-315,005.94-126,282.18

Finding the Fourth Proportional to 228,258.36, 315,005.94 and 126,282.18

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Solution

The fourth proportional to 228,258.36, 315,005.94 and 126,282.18 is: 174,274.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,258.36 : 315,005.94 = 126,282.18 : x
  2. Step 2: Convert to fraction form
    228,258.36/315,005.94 = 126,282.18/x
  3. Step 3: Cross multiply
    228,258.36x = 315,005.94 × 126,282.18
  4. Step 4: Simplify right side
    228,258.36x = 39,779,636,816.15
  5. Step 5: Solve for x
    x = 39,779,636,816.15/228,258.36
  6. Step 6: Final answer
    x = 174,274.61

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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.