Home / 276,310.80-414,466.20-98,823.60

Finding the Fourth Proportional to 276,310.80, 414,466.20 and 98,823.60

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Solution

The fourth proportional to 276,310.80, 414,466.20 and 98,823.60 is: 148,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,310.80 : 414,466.20 = 98,823.60 : x
  2. Step 2: Convert to fraction form
    276,310.80/414,466.20 = 98,823.60/x
  3. Step 3: Cross multiply
    276,310.80x = 414,466.20 × 98,823.60
  4. Step 4: Simplify right side
    276,310.80x = 40,959,041,962.32
  5. Step 5: Solve for x
    x = 40,959,041,962.32/276,310.80
  6. Step 6: Final answer
    x = 148,235.40

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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.