Home / 426,354.20-588,368.70-235,367.54

Finding the Fourth Proportional to 426,354.20, 588,368.70 and 235,367.54

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Solution

The fourth proportional to 426,354.20, 588,368.70 and 235,367.54 is: 324,807.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,354.20 : 588,368.70 = 235,367.54 : x
  2. Step 2: Convert to fraction form
    426,354.20/588,368.70 = 235,367.54/x
  3. Step 3: Cross multiply
    426,354.20x = 588,368.70 × 235,367.54
  4. Step 4: Simplify right side
    426,354.20x = 138,482,890,590.15
  5. Step 5: Solve for x
    x = 138,482,890,590.15/426,354.20
  6. Step 6: Final answer
    x = 324,807.15

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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.