Finding the Fourth Proportional to 418,311.14, 577,267.16 and 227,325.29
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Solution
The fourth proportional to 418,311.14, 577,267.16 and 227,325.29 is: 313,707.69
Step by Step Solution
- Step 1: Write the proportion equation
418,311.14 : 577,267.16 = 227,325.29 : x - Step 2: Convert to fraction form
418,311.14/577,267.16 = 227,325.29/x - Step 3: Cross multiply
418,311.14x = 577,267.16 × 227,325.29 - Step 4: Simplify right side
418,311.14x = 131,227,420,531.51 - Step 5: Solve for x
x = 131,227,420,531.51/418,311.14 - Step 6: Final answer
x = 313,707.69
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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.