Finding the Fourth Proportional to 496,296.80, 744,445.20 and 122,319.80
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Solution
The fourth proportional to 496,296.80, 744,445.20 and 122,319.80 is: 183,479.70
Step by Step Solution
- Step 1: Write the proportion equation
496,296.80 : 744,445.20 = 122,319.80 : x - Step 2: Convert to fraction form
496,296.80/744,445.20 = 122,319.80/x - Step 3: Cross multiply
496,296.80x = 744,445.20 × 122,319.80 - Step 4: Simplify right side
496,296.80x = 91,060,387,974.96 - Step 5: Solve for x
x = 91,060,387,974.96/496,296.80 - Step 6: Final answer
x = 183,479.70
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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.