Finding the Fourth Proportional to 319,325.68, 479,080.98 and 94,691.52
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Solution
The fourth proportional to 319,325.68, 479,080.98 and 94,691.52 is: 142,064.70
Step by Step Solution
- Step 1: Write the proportion equation
319,325.68 : 479,080.98 = 94,691.52 : x - Step 2: Convert to fraction form
319,325.68/479,080.98 = 94,691.52/x - Step 3: Cross multiply
319,325.68x = 479,080.98 × 94,691.52 - Step 4: Simplify right side
319,325.68x = 45,364,905,844.20 - Step 5: Solve for x
x = 45,364,905,844.20/319,325.68 - Step 6: Final answer
x = 142,064.70
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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.