Finding the Fourth Proportional to 351,805.75, 527,708.63 and 154,813.75
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Solution
The fourth proportional to 351,805.75, 527,708.63 and 154,813.75 is: 232,220.63
Step by Step Solution
- Step 1: Write the proportion equation
351,805.75 : 527,708.63 = 154,813.75 : x - Step 2: Convert to fraction form
351,805.75/527,708.63 = 154,813.75/x - Step 3: Cross multiply
351,805.75x = 527,708.63 × 154,813.75 - Step 4: Simplify right side
351,805.75x = 81,696,551,143.59 - Step 5: Solve for x
x = 81,696,551,143.59/351,805.75 - Step 6: Final answer
x = 232,220.63
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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.