Home / 276,266.54-381,281.58-155,412.92

Finding the Fourth Proportional to 276,266.54, 381,281.58 and 155,412.92

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Solution

The fourth proportional to 276,266.54, 381,281.58 and 155,412.92 is: 214,488.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,266.54 : 381,281.58 = 155,412.92 : x
  2. Step 2: Convert to fraction form
    276,266.54/381,281.58 = 155,412.92/x
  3. Step 3: Cross multiply
    276,266.54x = 381,281.58 × 155,412.92
  4. Step 4: Simplify right side
    276,266.54x = 59,256,083,690.01
  5. Step 5: Solve for x
    x = 59,256,083,690.01/276,266.54
  6. Step 6: Final answer
    x = 214,488.82

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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.