Home / 495,005.70-742,508.55-162,581.70

Finding the Fourth Proportional to 495,005.70, 742,508.55 and 162,581.70

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Solution

The fourth proportional to 495,005.70, 742,508.55 and 162,581.70 is: 243,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,005.70 : 742,508.55 = 162,581.70 : x
  2. Step 2: Convert to fraction form
    495,005.70/742,508.55 = 162,581.70/x
  3. Step 3: Cross multiply
    495,005.70x = 742,508.55 × 162,581.70
  4. Step 4: Simplify right side
    495,005.70x = 120,718,302,323.54
  5. Step 5: Solve for x
    x = 120,718,302,323.54/495,005.70
  6. Step 6: Final answer
    x = 243,872.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.