Finding the Fourth Proportional to 438,967.66, 658,446.69 and 106,543.66
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Solution
The fourth proportional to 438,967.66, 658,446.69 and 106,543.66 is: 159,814.32
Step by Step Solution
- Step 1: Write the proportion equation
438,967.66 : 658,446.69 = 106,543.66 : x - Step 2: Convert to fraction form
438,967.66/658,446.69 = 106,543.66/x - Step 3: Cross multiply
438,967.66x = 658,446.69 × 106,543.66 - Step 4: Simplify right side
438,967.66x = 70,153,320,267.49 - Step 5: Solve for x
x = 70,153,320,267.49/438,967.66 - Step 6: Final answer
x = 159,814.32
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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.