Finding the Fourth Proportional to 541,292.19, 746,909.28 and 311,764.11
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Solution
The fourth proportional to 541,292.19, 746,909.28 and 311,764.11 is: 430,191.88
Step by Step Solution
- Step 1: Write the proportion equation
541,292.19 : 746,909.28 = 311,764.11 : x - Step 2: Convert to fraction form
541,292.19/746,909.28 = 311,764.11/x - Step 3: Cross multiply
541,292.19x = 746,909.28 × 311,764.11 - Step 4: Simplify right side
541,292.19x = 232,859,506,929.94 - Step 5: Solve for x
x = 232,859,506,929.94/541,292.19 - Step 6: Final answer
x = 430,191.88
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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.