Home / 426,111.90-588,020.31-235,125.42

Finding the Fourth Proportional to 426,111.90, 588,020.31 and 235,125.42

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Solution

The fourth proportional to 426,111.90, 588,020.31 and 235,125.42 is: 324,465.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,111.90 : 588,020.31 = 235,125.42 : x
  2. Step 2: Convert to fraction form
    426,111.90/588,020.31 = 235,125.42/x
  3. Step 3: Cross multiply
    426,111.90x = 588,020.31 × 235,125.42
  4. Step 4: Simplify right side
    426,111.90x = 138,258,522,357.28
  5. Step 5: Solve for x
    x = 138,258,522,357.28/426,111.90
  6. Step 6: Final answer
    x = 324,465.29

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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.