Home / 281,217.10-422,809.80-275,312.20

Finding the Fourth Proportional to 281,217.10, 422,809.80 and 275,312.20

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Solution

The fourth proportional to 281,217.10, 422,809.80 and 275,312.20 is: 413,931.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,217.10 : 422,809.80 = 275,312.20 : x
  2. Step 2: Convert to fraction form
    281,217.10/422,809.80 = 275,312.20/x
  3. Step 3: Cross multiply
    281,217.10x = 422,809.80 × 275,312.20
  4. Step 4: Simplify right side
    281,217.10x = 116,404,696,219.56
  5. Step 5: Solve for x
    x = 116,404,696,219.56/281,217.10
  6. Step 6: Final answer
    x = 413,931.79

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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.