Home / 271,882.32-407,633.04-103,412.40

Finding the Fourth Proportional to 271,882.32, 407,633.04 and 103,412.40

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Solution

The fourth proportional to 271,882.32, 407,633.04 and 103,412.40 is: 155,046.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,882.32 : 407,633.04 = 103,412.40 : x
  2. Step 2: Convert to fraction form
    271,882.32/407,633.04 = 103,412.40/x
  3. Step 3: Cross multiply
    271,882.32x = 407,633.04 × 103,412.40
  4. Step 4: Simplify right side
    271,882.32x = 42,154,310,985.70
  5. Step 5: Solve for x
    x = 42,154,310,985.70/271,882.32
  6. Step 6: Final answer
    x = 155,046.16

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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.