Finding the Fourth Proportional to 454,715.84, 681,886.10 and 155,220.57
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Solution
The fourth proportional to 454,715.84, 681,886.10 and 155,220.57 is: 232,766.80
Step by Step Solution
- Step 1: Write the proportion equation
454,715.84 : 681,886.10 = 155,220.57 : x - Step 2: Convert to fraction form
454,715.84/681,886.10 = 155,220.57/x - Step 3: Cross multiply
454,715.84x = 681,886.10 × 155,220.57 - Step 4: Simplify right side
454,715.84x = 105,842,749,505.13 - Step 5: Solve for x
x = 105,842,749,505.13/454,715.84 - Step 6: Final answer
x = 232,766.80
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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.