Home / 279,624.06-385,898.76-158,719.32

Finding the Fourth Proportional to 279,624.06, 385,898.76 and 158,719.32

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Solution

The fourth proportional to 279,624.06, 385,898.76 and 158,719.32 is: 219,042.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,624.06 : 385,898.76 = 158,719.32 : x
  2. Step 2: Convert to fraction form
    279,624.06/385,898.76 = 158,719.32/x
  3. Step 3: Cross multiply
    279,624.06x = 385,898.76 × 158,719.32
  4. Step 4: Simplify right side
    279,624.06x = 61,249,588,776.04
  5. Step 5: Solve for x
    x = 61,249,588,776.04/279,624.06
  6. Step 6: Final answer
    x = 219,042.63

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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.