Home / 281,885.40-423,864.90-236,266.20

Finding the Fourth Proportional to 281,885.40, 423,864.90 and 236,266.20

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Solution

The fourth proportional to 281,885.40, 423,864.90 and 236,266.20 is: 355,268.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,885.40 : 423,864.90 = 236,266.20 : x
  2. Step 2: Convert to fraction form
    281,885.40/423,864.90 = 236,266.20/x
  3. Step 3: Cross multiply
    281,885.40x = 423,864.90 × 236,266.20
  4. Step 4: Simplify right side
    281,885.40x = 100,144,949,236.38
  5. Step 5: Solve for x
    x = 100,144,949,236.38/281,885.40
  6. Step 6: Final answer
    x = 355,268.31

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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.