Finding the Fourth Proportional to 408,810.28, 564,282.20 and 236,770.53
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Solution
The fourth proportional to 408,810.28, 564,282.20 and 236,770.53 is: 326,815.15
Step by Step Solution
- Step 1: Write the proportion equation
408,810.28 : 564,282.20 = 236,770.53 : x - Step 2: Convert to fraction form
408,810.28/564,282.20 = 236,770.53/x - Step 3: Cross multiply
408,810.28x = 564,282.20 × 236,770.53 - Step 4: Simplify right side
408,810.28x = 133,605,393,765.63 - Step 5: Solve for x
x = 133,605,393,765.63/408,810.28 - Step 6: Final answer
x = 326,815.15
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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.