Home / 276,929.91-382,165.65-156,048.03

Finding the Fourth Proportional to 276,929.91, 382,165.65 and 156,048.03

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Solution

The fourth proportional to 276,929.91, 382,165.65 and 156,048.03 is: 215,347.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,929.91 : 382,165.65 = 156,048.03 : x
  2. Step 2: Convert to fraction form
    276,929.91/382,165.65 = 156,048.03/x
  3. Step 3: Cross multiply
    276,929.91x = 382,165.65 × 156,048.03
  4. Step 4: Simplify right side
    276,929.91x = 59,636,196,816.17
  5. Step 5: Solve for x
    x = 59,636,196,816.17/276,929.91
  6. Step 6: Final answer
    x = 215,347.62

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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.