Finding the Fourth Proportional to 279,663.24, 419,332.84 and 191,023.88
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Solution
The fourth proportional to 279,663.24, 419,332.84 and 191,023.88 is: 286,425.15
Step by Step Solution
- Step 1: Write the proportion equation
279,663.24 : 419,332.84 = 191,023.88 : x - Step 2: Convert to fraction form
279,663.24/419,332.84 = 191,023.88/x - Step 3: Cross multiply
279,663.24x = 419,332.84 × 191,023.88 - Step 4: Simplify right side
279,663.24x = 80,102,586,108.22 - Step 5: Solve for x
x = 80,102,586,108.22/279,663.24 - Step 6: Final answer
x = 286,425.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.