Home / 228,476.12-315,306.89-126,501.57

Finding the Fourth Proportional to 228,476.12, 315,306.89 and 126,501.57

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Solution

The fourth proportional to 228,476.12, 315,306.89 and 126,501.57 is: 174,577.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,476.12 : 315,306.89 = 126,501.57 : x
  2. Step 2: Convert to fraction form
    228,476.12/315,306.89 = 126,501.57/x
  3. Step 3: Cross multiply
    228,476.12x = 315,306.89 × 126,501.57
  4. Step 4: Simplify right side
    228,476.12x = 39,886,815,984.31
  5. Step 5: Solve for x
    x = 39,886,815,984.31/228,476.12
  6. Step 6: Final answer
    x = 174,577.62

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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.