Finding the Fourth Proportional to 236,638.99, 326,560.17 and 129,208.96
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Solution
The fourth proportional to 236,638.99, 326,560.17 and 129,208.96 is: 178,307.47
Step by Step Solution
- Step 1: Write the proportion equation
236,638.99 : 326,560.17 = 129,208.96 : x - Step 2: Convert to fraction form
236,638.99/326,560.17 = 129,208.96/x - Step 3: Cross multiply
236,638.99x = 326,560.17 × 129,208.96 - Step 4: Simplify right side
236,638.99x = 42,194,499,943.12 - Step 5: Solve for x
x = 42,194,499,943.12/236,638.99 - Step 6: Final answer
x = 178,307.47
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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.