Finding the Fourth Proportional to 86,867.07, 130,301.97 and 34,276.09
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Solution
The fourth proportional to 86,867.07, 130,301.97 and 34,276.09 is: 51,414.67
Step by Step Solution
- Step 1: Write the proportion equation
86,867.07 : 130,301.97 = 34,276.09 : x - Step 2: Convert to fraction form
86,867.07/130,301.97 = 34,276.09/x - Step 3: Cross multiply
86,867.07x = 130,301.97 × 34,276.09 - Step 4: Simplify right side
86,867.07x = 4,466,242,050.90 - Step 5: Solve for x
x = 4,466,242,050.90/86,867.07 - Step 6: Final answer
x = 51,414.67
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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.