Home / 259,487.22-357,774.20-213,385.76

Finding the Fourth Proportional to 259,487.22, 357,774.20 and 213,385.76

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Solution

The fourth proportional to 259,487.22, 357,774.20 and 213,385.76 is: 294,210.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,487.22 : 357,774.20 = 213,385.76 : x
  2. Step 2: Convert to fraction form
    259,487.22/357,774.20 = 213,385.76/x
  3. Step 3: Cross multiply
    259,487.22x = 357,774.20 × 213,385.76
  4. Step 4: Simplify right side
    259,487.22x = 76,343,918,319.99
  5. Step 5: Solve for x
    x = 76,343,918,319.99/259,487.22
  6. Step 6: Final answer
    x = 294,210.71

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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.