Home / 260,426.38-392,591.52-243,066.32

Finding the Fourth Proportional to 260,426.38, 392,591.52 and 243,066.32

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Solution

The fourth proportional to 260,426.38, 392,591.52 and 243,066.32 is: 366,421.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,426.38 : 392,591.52 = 243,066.32 : x
  2. Step 2: Convert to fraction form
    260,426.38/392,591.52 = 243,066.32/x
  3. Step 3: Cross multiply
    260,426.38x = 392,591.52 × 243,066.32
  4. Step 4: Simplify right side
    260,426.38x = 95,425,774,855.24
  5. Step 5: Solve for x
    x = 95,425,774,855.24/260,426.38
  6. Step 6: Final answer
    x = 366,421.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.