Home / 288,346.72-397,929.74-159,291.85

Finding the Fourth Proportional to 288,346.72, 397,929.74 and 159,291.85

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Solution

The fourth proportional to 288,346.72, 397,929.74 and 159,291.85 is: 219,828.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,346.72 : 397,929.74 = 159,291.85 : x
  2. Step 2: Convert to fraction form
    288,346.72/397,929.74 = 159,291.85/x
  3. Step 3: Cross multiply
    288,346.72x = 397,929.74 × 159,291.85
  4. Step 4: Simplify right side
    288,346.72x = 63,386,964,454.62
  5. Step 5: Solve for x
    x = 63,386,964,454.62/288,346.72
  6. Step 6: Final answer
    x = 219,828.98

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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.