Home / 276,154.29-415,011.47-163,855.62

Finding the Fourth Proportional to 276,154.29, 415,011.47 and 163,855.62

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Solution

The fourth proportional to 276,154.29, 415,011.47 and 163,855.62 is: 246,246.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,154.29 : 415,011.47 = 163,855.62 : x
  2. Step 2: Convert to fraction form
    276,154.29/415,011.47 = 163,855.62/x
  3. Step 3: Cross multiply
    276,154.29x = 415,011.47 × 163,855.62
  4. Step 4: Simplify right side
    276,154.29x = 68,001,960,904.68
  5. Step 5: Solve for x
    x = 68,001,960,904.68/276,154.29
  6. Step 6: Final answer
    x = 246,246.26

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1.5x scale

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.