Home / 269,110.10-403,319.55-163,817.30

Finding the Fourth Proportional to 269,110.10, 403,319.55 and 163,817.30

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Solution

The fourth proportional to 269,110.10, 403,319.55 and 163,817.30 is: 245,515.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,110.10 : 403,319.55 = 163,817.30 : x
  2. Step 2: Convert to fraction form
    269,110.10/403,319.55 = 163,817.30/x
  3. Step 3: Cross multiply
    269,110.10x = 403,319.55 × 163,817.30
  4. Step 4: Simplify right side
    269,110.10x = 66,070,719,718.22
  5. Step 5: Solve for x
    x = 66,070,719,718.22/269,110.10
  6. Step 6: Final answer
    x = 245,515.57

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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.