Finding the Fourth Proportional to 216,862.18, 325,371.06 and 96,909.08
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Solution
The fourth proportional to 216,862.18, 325,371.06 and 96,909.08 is: 145,398.38
Step by Step Solution
- Step 1: Write the proportion equation
216,862.18 : 325,371.06 = 96,909.08 : x - Step 2: Convert to fraction form
216,862.18/325,371.06 = 96,909.08/x - Step 3: Cross multiply
216,862.18x = 325,371.06 × 96,909.08 - Step 4: Simplify right side
216,862.18x = 31,531,408,456.37 - Step 5: Solve for x
x = 31,531,408,456.37/216,862.18 - Step 6: Final answer
x = 145,398.38
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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.