Home / 352,047.60-528,071.40-269,103.60

Finding the Fourth Proportional to 352,047.60, 528,071.40 and 269,103.60

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Solution

The fourth proportional to 352,047.60, 528,071.40 and 269,103.60 is: 403,655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,047.60 : 528,071.40 = 269,103.60 : x
  2. Step 2: Convert to fraction form
    352,047.60/528,071.40 = 269,103.60/x
  3. Step 3: Cross multiply
    352,047.60x = 528,071.40 × 269,103.60
  4. Step 4: Simplify right side
    352,047.60x = 142,105,914,797.04
  5. Step 5: Solve for x
    x = 142,105,914,797.04/352,047.60
  6. Step 6: Final answer
    x = 403,655.40

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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.