Finding the Fourth Proportional to 181,780.17, 272,577.99 and 136,386.26
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Solution
The fourth proportional to 181,780.17, 272,577.99 and 136,386.26 is: 204,510.15
Step by Step Solution
- Step 1: Write the proportion equation
181,780.17 : 272,577.99 = 136,386.26 : x - Step 2: Convert to fraction form
181,780.17/272,577.99 = 136,386.26/x - Step 3: Cross multiply
181,780.17x = 272,577.99 × 136,386.26 - Step 4: Simplify right side
181,780.17x = 37,175,890,867.76 - Step 5: Solve for x
x = 37,175,890,867.76/181,780.17 - Step 6: Final answer
x = 204,510.15
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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.