Finding the Fourth Proportional to 491,988.74, 738,216.39 and 292,702.82
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Solution
The fourth proportional to 491,988.74, 738,216.39 and 292,702.82 is: 439,193.02
Step by Step Solution
- Step 1: Write the proportion equation
491,988.74 : 738,216.39 = 292,702.82 : x - Step 2: Convert to fraction form
491,988.74/738,216.39 = 292,702.82/x - Step 3: Cross multiply
491,988.74x = 738,216.39 × 292,702.82 - Step 4: Simplify right side
491,988.74x = 216,078,019,123.22 - Step 5: Solve for x
x = 216,078,019,123.22/491,988.74 - Step 6: Final answer
x = 439,193.02
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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.