Home / 276,041.07-380,926.85-153,532.80

Finding the Fourth Proportional to 276,041.07, 380,926.85 and 153,532.80

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Solution

The fourth proportional to 276,041.07, 380,926.85 and 153,532.80 is: 211,869.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,041.07 : 380,926.85 = 153,532.80 : x
  2. Step 2: Convert to fraction form
    276,041.07/380,926.85 = 153,532.80/x
  3. Step 3: Cross multiply
    276,041.07x = 380,926.85 × 153,532.80
  4. Step 4: Simplify right side
    276,041.07x = 58,484,765,108.02
  5. Step 5: Solve for x
    x = 58,484,765,108.02/276,041.07
  6. Step 6: Final answer
    x = 211,869.80

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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.