Finding the Fourth Proportional to 406,348.19, 560,754.85 and 234,266.49
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Solution
The fourth proportional to 406,348.19, 560,754.85 and 234,266.49 is: 323,284.50
Step by Step Solution
- Step 1: Write the proportion equation
406,348.19 : 560,754.85 = 234,266.49 : x - Step 2: Convert to fraction form
406,348.19/560,754.85 = 234,266.49/x - Step 3: Cross multiply
406,348.19x = 560,754.85 × 234,266.49 - Step 4: Simplify right side
406,348.19x = 131,366,071,102.12 - Step 5: Solve for x
x = 131,366,071,102.12/406,348.19 - Step 6: Final answer
x = 323,284.50
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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.