Finding the Fourth Proportional to 118,272.96, 177,437.70 and 39,387.84
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Solution
The fourth proportional to 118,272.96, 177,437.70 and 39,387.84 is: 59,091.17
Step by Step Solution
- Step 1: Write the proportion equation
118,272.96 : 177,437.70 = 39,387.84 : x - Step 2: Convert to fraction form
118,272.96/177,437.70 = 39,387.84/x - Step 3: Cross multiply
118,272.96x = 177,437.70 × 39,387.84 - Step 4: Simplify right side
118,272.96x = 6,988,887,737.57 - Step 5: Solve for x
x = 6,988,887,737.57/118,272.96 - Step 6: Final answer
x = 59,091.17
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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.