Home / 276,240.16-381,209.34-157,008.16

Finding the Fourth Proportional to 276,240.16, 381,209.34 and 157,008.16

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Solution

The fourth proportional to 276,240.16, 381,209.34 and 157,008.16 is: 216,670.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,240.16 : 381,209.34 = 157,008.16 : x
  2. Step 2: Convert to fraction form
    276,240.16/381,209.34 = 157,008.16/x
  3. Step 3: Cross multiply
    276,240.16x = 381,209.34 × 157,008.16
  4. Step 4: Simplify right side
    276,240.16x = 59,852,977,048.21
  5. Step 5: Solve for x
    x = 59,852,977,048.21/276,240.16
  6. Step 6: Final answer
    x = 216,670.08

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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.