Finding the Fourth Proportional to 426,344.16, 588,356.82 and 235,359.12
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Solution
The fourth proportional to 426,344.16, 588,356.82 and 235,359.12 is: 324,796.62
Step by Step Solution
- Step 1: Write the proportion equation
426,344.16 : 588,356.82 = 235,359.12 : x - Step 2: Convert to fraction form
426,344.16/588,356.82 = 235,359.12/x - Step 3: Cross multiply
426,344.16x = 588,356.82 × 235,359.12 - Step 4: Simplify right side
426,344.16x = 138,475,143,401.20 - Step 5: Solve for x
x = 138,475,143,401.20/426,344.16 - Step 6: Final answer
x = 324,796.62
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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.