Finding the Fourth Proportional to 305,953.84, 422,246.28 and 176,897.80
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Solution
The fourth proportional to 305,953.84, 422,246.28 and 176,897.80 is: 244,136.30
Step by Step Solution
- Step 1: Write the proportion equation
305,953.84 : 422,246.28 = 176,897.80 : x - Step 2: Convert to fraction form
305,953.84/422,246.28 = 176,897.80/x - Step 3: Cross multiply
305,953.84x = 422,246.28 × 176,897.80 - Step 4: Simplify right side
305,953.84x = 74,694,437,990.18 - Step 5: Solve for x
x = 74,694,437,990.18/305,953.84 - Step 6: Final answer
x = 244,136.30
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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.