Finding the Fourth Proportional to 426,356.43, 588,368.26 and 235,365.72
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Solution
The fourth proportional to 426,356.43, 588,368.26 and 235,365.72 is: 324,802.70
Step by Step Solution
- Step 1: Write the proportion equation
426,356.43 : 588,368.26 = 235,365.72 : x - Step 2: Convert to fraction form
426,356.43/588,368.26 = 235,365.72/x - Step 3: Cross multiply
426,356.43x = 588,368.26 × 235,365.72 - Step 4: Simplify right side
426,356.43x = 138,481,719,140.05 - Step 5: Solve for x
x = 138,481,719,140.05/426,356.43 - Step 6: Final answer
x = 324,802.70
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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.