Home / 276,239.16-381,207.96-157,007.16

Finding the Fourth Proportional to 276,239.16, 381,207.96 and 157,007.16

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Solution

The fourth proportional to 276,239.16, 381,207.96 and 157,007.16 is: 216,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,239.16 : 381,207.96 = 157,007.16 : x
  2. Step 2: Convert to fraction form
    276,239.16/381,207.96 = 157,007.16/x
  3. Step 3: Cross multiply
    276,239.16x = 381,207.96 × 157,007.16
  4. Step 4: Simplify right side
    276,239.16x = 59,852,379,168.99
  5. Step 5: Solve for x
    x = 59,852,379,168.99/276,239.16
  6. Step 6: Final answer
    x = 216,668.70

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1.5x scale

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.