Finding the Fourth Proportional to 215,398.76, 323,164.08 and 110,292.08
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Solution
The fourth proportional to 215,398.76, 323,164.08 and 110,292.08 is: 165,471.88
Step by Step Solution
- Step 1: Write the proportion equation
215,398.76 : 323,164.08 = 110,292.08 : x - Step 2: Convert to fraction form
215,398.76/323,164.08 = 110,292.08/x - Step 3: Cross multiply
215,398.76x = 323,164.08 × 110,292.08 - Step 4: Simplify right side
215,398.76x = 35,642,438,564.49 - Step 5: Solve for x
x = 35,642,438,564.49/215,398.76 - Step 6: Final answer
x = 165,471.88
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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.