Home / 276,206.99-381,161.89-155,348.24

Finding the Fourth Proportional to 276,206.99, 381,161.89 and 155,348.24

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Solution

The fourth proportional to 276,206.99, 381,161.89 and 155,348.24 is: 214,378.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,206.99 : 381,161.89 = 155,348.24 : x
  2. Step 2: Convert to fraction form
    276,206.99/381,161.89 = 155,348.24/x
  3. Step 3: Cross multiply
    276,206.99x = 381,161.89 × 155,348.24
  4. Step 4: Simplify right side
    276,206.99x = 59,212,829,331.11
  5. Step 5: Solve for x
    x = 59,212,829,331.11/276,206.99
  6. Step 6: Final answer
    x = 214,378.46

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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.