Home / 288,344.22-397,926.28-159,289.35

Finding the Fourth Proportional to 288,344.22, 397,926.28 and 159,289.35

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Solution

The fourth proportional to 288,344.22, 397,926.28 and 159,289.35 is: 219,825.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,344.22 : 397,926.28 = 159,289.35 : x
  2. Step 2: Convert to fraction form
    288,344.22/397,926.28 = 159,289.35/x
  3. Step 3: Cross multiply
    288,344.22x = 397,926.28 × 159,289.35
  4. Step 4: Simplify right side
    288,344.22x = 63,385,418,090.89
  5. Step 5: Solve for x
    x = 63,385,418,090.89/288,344.22
  6. Step 6: Final answer
    x = 219,825.52

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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.