Finding the Fourth Proportional to 454,717.19, 681,888.12 and 155,221.92
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Solution
The fourth proportional to 454,717.19, 681,888.12 and 155,221.92 is: 232,768.82
Step by Step Solution
- Step 1: Write the proportion equation
454,717.19 : 681,888.12 = 155,221.92 : x - Step 2: Convert to fraction form
454,717.19/681,888.12 = 155,221.92/x - Step 3: Cross multiply
454,717.19x = 681,888.12 × 155,221.92 - Step 4: Simplify right side
454,717.19x = 105,843,983,211.59 - Step 5: Solve for x
x = 105,843,983,211.59/454,717.19 - Step 6: Final answer
x = 232,768.82
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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.