Finding the Fourth Proportional to 236,862.17, 326,856.02 and 129,433.08
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Solution
The fourth proportional to 236,862.17, 326,856.02 and 129,433.08 is: 178,610.12
Step by Step Solution
- Step 1: Write the proportion equation
236,862.17 : 326,856.02 = 129,433.08 : x - Step 2: Convert to fraction form
236,862.17/326,856.02 = 129,433.08/x - Step 3: Cross multiply
236,862.17x = 326,856.02 × 129,433.08 - Step 4: Simplify right side
236,862.17x = 42,305,980,737.98 - Step 5: Solve for x
x = 42,305,980,737.98/236,862.17 - Step 6: Final answer
x = 178,610.12
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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.