Home / 300,088.04-449,632.28-211,154.70

Finding the Fourth Proportional to 300,088.04, 449,632.28 and 211,154.70

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Solution

The fourth proportional to 300,088.04, 449,632.28 and 211,154.70 is: 316,380.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,088.04 : 449,632.28 = 211,154.70 : x
  2. Step 2: Convert to fraction form
    300,088.04/449,632.28 = 211,154.70/x
  3. Step 3: Cross multiply
    300,088.04x = 449,632.28 × 211,154.70
  4. Step 4: Simplify right side
    300,088.04x = 94,941,969,193.72
  5. Step 5: Solve for x
    x = 94,941,969,193.72/300,088.04
  6. Step 6: Final answer
    x = 316,380.38

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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.