Finding the Fourth Proportional to 454,717.14, 681,888.05 and 155,221.88
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Solution
The fourth proportional to 454,717.14, 681,888.05 and 155,221.88 is: 232,768.75
Step by Step Solution
- Step 1: Write the proportion equation
454,717.14 : 681,888.05 = 155,221.88 : x - Step 2: Convert to fraction form
454,717.14/681,888.05 = 155,221.88/x - Step 3: Cross multiply
454,717.14x = 681,888.05 × 155,221.88 - Step 4: Simplify right side
454,717.14x = 105,843,940,884.98 - Step 5: Solve for x
x = 105,843,940,884.98/454,717.14 - Step 6: Final answer
x = 232,768.75
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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.