Finding the Fourth Proportional to 563,642.26, 845,217.63 and 213,188.50
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Solution
The fourth proportional to 563,642.26, 845,217.63 and 213,188.50 is: 319,689.80
Step by Step Solution
- Step 1: Write the proportion equation
563,642.26 : 845,217.63 = 213,188.50 : x - Step 2: Convert to fraction form
563,642.26/845,217.63 = 213,188.50/x - Step 3: Cross multiply
563,642.26x = 845,217.63 × 213,188.50 - Step 4: Simplify right side
563,642.26x = 180,190,678,713.26 - Step 5: Solve for x
x = 180,190,678,713.26/563,642.26 - Step 6: Final answer
x = 319,689.80
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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.