Finding the Fourth Proportional to 310,366.84, 428,306.70 and 176,230.84
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Solution
The fourth proportional to 310,366.84, 428,306.70 and 176,230.84 is: 243,198.82
Step by Step Solution
- Step 1: Write the proportion equation
310,366.84 : 428,306.70 = 176,230.84 : x - Step 2: Convert to fraction form
310,366.84/428,306.70 = 176,230.84/x - Step 3: Cross multiply
310,366.84x = 428,306.70 × 176,230.84 - Step 4: Simplify right side
310,366.84x = 75,480,849,518.63 - Step 5: Solve for x
x = 75,480,849,518.63/310,366.84 - Step 6: Final answer
x = 243,198.82
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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.