Finding the Fourth Proportional to 658,364.18, 908,616.51 and 371,902.70
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Solution
The fourth proportional to 658,364.18, 908,616.51 and 371,902.70 is: 513,267.49
Step by Step Solution
- Step 1: Write the proportion equation
658,364.18 : 908,616.51 = 371,902.70 : x - Step 2: Convert to fraction form
658,364.18/908,616.51 = 371,902.70/x - Step 3: Cross multiply
658,364.18x = 908,616.51 × 371,902.70 - Step 4: Simplify right side
658,364.18x = 337,916,928,790.49 - Step 5: Solve for x
x = 337,916,928,790.49/658,364.18 - Step 6: Final answer
x = 513,267.49
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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.