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Finding the Fourth Proportional to 350,055.40, 525,342.30 and 231,687.40

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Solution

The fourth proportional to 350,055.40, 525,342.30 and 231,687.40 is: 347,702.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,055.40 : 525,342.30 = 231,687.40 : x
  2. Step 2: Convert to fraction form
    350,055.40/525,342.30 = 231,687.40/x
  3. Step 3: Cross multiply
    350,055.40x = 525,342.30 × 231,687.40
  4. Step 4: Simplify right side
    350,055.40x = 121,715,191,597.02
  5. Step 5: Solve for x
    x = 121,715,191,597.02/350,055.40
  6. Step 6: Final answer
    x = 347,702.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.