Finding the Fourth Proportional to 418,340.90, 577,294.19 and 227,350.19
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Solution
The fourth proportional to 418,340.90, 577,294.19 and 227,350.19 is: 313,734.43
Step by Step Solution
- Step 1: Write the proportion equation
418,340.90 : 577,294.19 = 227,350.19 : x - Step 2: Convert to fraction form
418,340.90/577,294.19 = 227,350.19/x - Step 3: Cross multiply
418,340.90x = 577,294.19 × 227,350.19 - Step 4: Simplify right side
418,340.90x = 131,247,944,941.44 - Step 5: Solve for x
x = 131,247,944,941.44/418,340.90 - Step 6: Final answer
x = 313,734.43
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1.5x scale
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.