Finding the Fourth Proportional to 305,432.88, 421,547.94 and 169,510.49
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Solution
The fourth proportional to 305,432.88, 421,547.94 and 169,510.49 is: 233,952.53
Step by Step Solution
- Step 1: Write the proportion equation
305,432.88 : 421,547.94 = 169,510.49 : x - Step 2: Convert to fraction form
305,432.88/421,547.94 = 169,510.49/x - Step 3: Cross multiply
305,432.88x = 421,547.94 × 169,510.49 - Step 4: Simplify right side
305,432.88x = 71,456,795,760.15 - Step 5: Solve for x
x = 71,456,795,760.15/305,432.88 - Step 6: Final answer
x = 233,952.53
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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.