Finding the Fourth Proportional to 291,723.26, 402,582.42 and 162,657.92
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Solution
The fourth proportional to 291,723.26, 402,582.42 and 162,657.92 is: 224,470.35
Step by Step Solution
- Step 1: Write the proportion equation
291,723.26 : 402,582.42 = 162,657.92 : x - Step 2: Convert to fraction form
291,723.26/402,582.42 = 162,657.92/x - Step 3: Cross multiply
291,723.26x = 402,582.42 × 162,657.92 - Step 4: Simplify right side
291,723.26x = 65,483,220,072.22 - Step 5: Solve for x
x = 65,483,220,072.22/291,723.26 - Step 6: Final answer
x = 224,470.35
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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.