Home / 281,736.10-422,567.16-139,526.02

Finding the Fourth Proportional to 281,736.10, 422,567.16 and 139,526.02

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Solution

The fourth proportional to 281,736.10, 422,567.16 and 139,526.02 is: 209,270.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,736.10 : 422,567.16 = 139,526.02 : x
  2. Step 2: Convert to fraction form
    281,736.10/422,567.16 = 139,526.02/x
  3. Step 3: Cross multiply
    281,736.10x = 422,567.16 × 139,526.02
  4. Step 4: Simplify right side
    281,736.10x = 58,959,114,017.50
  5. Step 5: Solve for x
    x = 58,959,114,017.50/281,736.10
  6. Step 6: Final answer
    x = 209,270.71

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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.