Finding the Fourth Proportional to 514,125.82, 709,273.76 and 310,060.70
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Solution
The fourth proportional to 514,125.82, 709,273.76 and 310,060.70 is: 427,751.17
Step by Step Solution
- Step 1: Write the proportion equation
514,125.82 : 709,273.76 = 310,060.70 : x - Step 2: Convert to fraction form
514,125.82/709,273.76 = 310,060.70/x - Step 3: Cross multiply
514,125.82x = 709,273.76 × 310,060.70 - Step 4: Simplify right side
514,125.82x = 219,917,918,517.23 - Step 5: Solve for x
x = 219,917,918,517.23/514,125.82 - Step 6: Final answer
x = 427,751.17
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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.