Finding the Fourth Proportional to 442,772.84, 611,117.40 and 281,596.88
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Solution
The fourth proportional to 442,772.84, 611,117.40 and 281,596.88 is: 388,661.49
Step by Step Solution
- Step 1: Write the proportion equation
442,772.84 : 611,117.40 = 281,596.88 : x - Step 2: Convert to fraction form
442,772.84/611,117.40 = 281,596.88/x - Step 3: Cross multiply
442,772.84x = 611,117.40 × 281,596.88 - Step 4: Simplify right side
442,772.84x = 172,088,753,153.71 - Step 5: Solve for x
x = 172,088,753,153.71/442,772.84 - Step 6: Final answer
x = 388,661.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.