Finding the Fourth Proportional to 476,625.87, 714,938.19 and 121,639.91
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Solution
The fourth proportional to 476,625.87, 714,938.19 and 121,639.91 is: 182,459.70
Step by Step Solution
- Step 1: Write the proportion equation
476,625.87 : 714,938.19 = 121,639.91 : x - Step 2: Convert to fraction form
476,625.87/714,938.19 = 121,639.91/x - Step 3: Cross multiply
476,625.87x = 714,938.19 × 121,639.91 - Step 4: Simplify right side
476,625.87x = 86,965,013,512.47 - Step 5: Solve for x
x = 86,965,013,512.47/476,625.87 - Step 6: Final answer
x = 182,459.70
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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.