Finding the Fourth Proportional to 236,693.99, 326,638.91 and 129,264.03
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Solution
The fourth proportional to 236,693.99, 326,638.91 and 129,264.03 is: 178,385.02
Step by Step Solution
- Step 1: Write the proportion equation
236,693.99 : 326,638.91 = 129,264.03 : x - Step 2: Convert to fraction form
236,693.99/326,638.91 = 129,264.03/x - Step 3: Cross multiply
236,693.99x = 326,638.91 × 129,264.03 - Step 4: Simplify right side
236,693.99x = 42,222,662,184.57 - Step 5: Solve for x
x = 42,222,662,184.57/236,693.99 - Step 6: Final answer
x = 178,385.02
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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.