Finding the Fourth Proportional to 418,163.17, 577,303.91 and 275,337.85
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Solution
The fourth proportional to 418,163.17, 577,303.91 and 275,337.85 is: 380,123.43
Step by Step Solution
- Step 1: Write the proportion equation
418,163.17 : 577,303.91 = 275,337.85 : x - Step 2: Convert to fraction form
418,163.17/577,303.91 = 275,337.85/x - Step 3: Cross multiply
418,163.17x = 577,303.91 × 275,337.85 - Step 4: Simplify right side
418,163.17x = 158,953,617,375.99 - Step 5: Solve for x
x = 158,953,617,375.99/418,163.17 - Step 6: Final answer
x = 380,123.43
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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.