Home / 260,827.40-392,115.90-222,336.20

Finding the Fourth Proportional to 260,827.40, 392,115.90 and 222,336.20

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Solution

The fourth proportional to 260,827.40, 392,115.90 and 222,336.20 is: 334,250.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,827.40 : 392,115.90 = 222,336.20 : x
  2. Step 2: Convert to fraction form
    260,827.40/392,115.90 = 222,336.20/x
  3. Step 3: Cross multiply
    260,827.40x = 392,115.90 × 222,336.20
  4. Step 4: Simplify right side
    260,827.40x = 87,181,559,165.58
  5. Step 5: Solve for x
    x = 87,181,559,165.58/260,827.40
  6. Step 6: Final answer
    x = 334,250.00

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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.