Home / 274,916.40-412,374.60-87,946.80

Finding the Fourth Proportional to 274,916.40, 412,374.60 and 87,946.80

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Solution

The fourth proportional to 274,916.40, 412,374.60 and 87,946.80 is: 131,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,916.40 : 412,374.60 = 87,946.80 : x
  2. Step 2: Convert to fraction form
    274,916.40/412,374.60 = 87,946.80/x
  3. Step 3: Cross multiply
    274,916.40x = 412,374.60 × 87,946.80
  4. Step 4: Simplify right side
    274,916.40x = 36,267,026,471.28
  5. Step 5: Solve for x
    x = 36,267,026,471.28/274,916.40
  6. Step 6: Final answer
    x = 131,920.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.