Home / 276,334.58-381,338.60-155,476.10

Finding the Fourth Proportional to 276,334.58, 381,338.60 and 155,476.10

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Solution

The fourth proportional to 276,334.58, 381,338.60 and 155,476.10 is: 214,555.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,334.58 : 381,338.60 = 155,476.10 : x
  2. Step 2: Convert to fraction form
    276,334.58/381,338.60 = 155,476.10/x
  3. Step 3: Cross multiply
    276,334.58x = 381,338.60 × 155,476.10
  4. Step 4: Simplify right side
    276,334.58x = 59,289,038,307.46
  5. Step 5: Solve for x
    x = 59,289,038,307.46/276,334.58
  6. Step 6: Final answer
    x = 214,555.26

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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.