Finding the Fourth Proportional to 252,775.91, 348,897.98 and 157,228.31
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Solution
The fourth proportional to 252,775.91, 348,897.98 and 157,228.31 is: 217,016.88
Step by Step Solution
- Step 1: Write the proportion equation
252,775.91 : 348,897.98 = 157,228.31 : x - Step 2: Convert to fraction form
252,775.91/348,897.98 = 157,228.31/x - Step 3: Cross multiply
252,775.91x = 348,897.98 × 157,228.31 - Step 4: Simplify right side
252,775.91x = 54,856,638,406.39 - Step 5: Solve for x
x = 54,856,638,406.39/252,775.91 - Step 6: Final answer
x = 217,016.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.