Finding the Fourth Proportional to 454,219.48, 681,434.63 and 154,702.65
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Solution
The fourth proportional to 454,219.48, 681,434.63 and 154,702.65 is: 232,089.88
Step by Step Solution
- Step 1: Write the proportion equation
454,219.48 : 681,434.63 = 154,702.65 : x - Step 2: Convert to fraction form
454,219.48/681,434.63 = 154,702.65/x - Step 3: Cross multiply
454,219.48x = 681,434.63 × 154,702.65 - Step 4: Simplify right side
454,219.48x = 105,419,743,449.53 - Step 5: Solve for x
x = 105,419,743,449.53/454,219.48 - Step 6: Final answer
x = 232,089.88
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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.