Finding the Fourth Proportional to 406,506.95, 560,964.69 and 234,432.17
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Solution
The fourth proportional to 406,506.95, 560,964.69 and 234,432.17 is: 323,507.80
Step by Step Solution
- Step 1: Write the proportion equation
406,506.95 : 560,964.69 = 234,432.17 : x - Step 2: Convert to fraction form
406,506.95/560,964.69 = 234,432.17/x - Step 3: Cross multiply
406,506.95x = 560,964.69 × 234,432.17 - Step 4: Simplify right side
406,506.95x = 131,508,166,765.25 - Step 5: Solve for x
x = 131,508,166,765.25/406,506.95 - Step 6: Final answer
x = 323,507.80
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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.