Home / 268,774.53-403,411.23-135,748.20

Finding the Fourth Proportional to 268,774.53, 403,411.23 and 135,748.20

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Solution

The fourth proportional to 268,774.53, 403,411.23 and 135,748.20 is: 203,748.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,774.53 : 403,411.23 = 135,748.20 : x
  2. Step 2: Convert to fraction form
    268,774.53/403,411.23 = 135,748.20/x
  3. Step 3: Cross multiply
    268,774.53x = 403,411.23 × 135,748.20
  4. Step 4: Simplify right side
    268,774.53x = 54,762,348,332.29
  5. Step 5: Solve for x
    x = 54,762,348,332.29/268,774.53
  6. Step 6: Final answer
    x = 203,748.28

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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.