Finding the Fourth Proportional to 319,592.57, 479,602.69 and 132,604.07
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Solution
The fourth proportional to 319,592.57, 479,602.69 and 132,604.07 is: 198,994.82
Step by Step Solution
- Step 1: Write the proportion equation
319,592.57 : 479,602.69 = 132,604.07 : x - Step 2: Convert to fraction form
319,592.57/479,602.69 = 132,604.07/x - Step 3: Cross multiply
319,592.57x = 479,602.69 × 132,604.07 - Step 4: Simplify right side
319,592.57x = 63,597,265,947.42 - Step 5: Solve for x
x = 63,597,265,947.42/319,592.57 - Step 6: Final answer
x = 198,994.82
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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.