Home / 426,080.34-587,990.45-235,093.74

Finding the Fourth Proportional to 426,080.34, 587,990.45 and 235,093.74

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Solution

The fourth proportional to 426,080.34, 587,990.45 and 235,093.74 is: 324,429.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,080.34 : 587,990.45 = 235,093.74 : x
  2. Step 2: Convert to fraction form
    426,080.34/587,990.45 = 235,093.74/x
  3. Step 3: Cross multiply
    426,080.34x = 587,990.45 × 235,093.74
  4. Step 4: Simplify right side
    426,080.34x = 138,232,872,799.31
  5. Step 5: Solve for x
    x = 138,232,872,799.31/426,080.34
  6. Step 6: Final answer
    x = 324,429.13

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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.