Finding the Fourth Proportional to 564,691.23, 847,047.67 and 138,230.68
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Solution
The fourth proportional to 564,691.23, 847,047.67 and 138,230.68 is: 207,348.67
Step by Step Solution
- Step 1: Write the proportion equation
564,691.23 : 847,047.67 = 138,230.68 : x - Step 2: Convert to fraction form
564,691.23/847,047.67 = 138,230.68/x - Step 3: Cross multiply
564,691.23x = 847,047.67 × 138,230.68 - Step 4: Simplify right side
564,691.23x = 117,087,975,416.52 - Step 5: Solve for x
x = 117,087,975,416.52/564,691.23 - Step 6: Final answer
x = 207,348.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.