Home / 276,056.10-414,084.15-266,870.70

Finding the Fourth Proportional to 276,056.10, 414,084.15 and 266,870.70

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Solution

The fourth proportional to 276,056.10, 414,084.15 and 266,870.70 is: 400,306.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,056.10 : 414,084.15 = 266,870.70 : x
  2. Step 2: Convert to fraction form
    276,056.10/414,084.15 = 266,870.70/x
  3. Step 3: Cross multiply
    276,056.10x = 414,084.15 × 266,870.70
  4. Step 4: Simplify right side
    276,056.10x = 110,506,926,969.41
  5. Step 5: Solve for x
    x = 110,506,926,969.41/276,056.10
  6. Step 6: Final answer
    x = 400,306.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.