Finding the Fourth Proportional to 496,312.92, 744,245.82 and 141,246.18
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Solution
The fourth proportional to 496,312.92, 744,245.82 and 141,246.18 is: 211,805.65
Step by Step Solution
- Step 1: Write the proportion equation
496,312.92 : 744,245.82 = 141,246.18 : x - Step 2: Convert to fraction form
496,312.92/744,245.82 = 141,246.18/x - Step 3: Cross multiply
496,312.92x = 744,245.82 × 141,246.18 - Step 4: Simplify right side
496,312.92x = 105,121,879,055.97 - Step 5: Solve for x
x = 105,121,879,055.97/496,312.92 - Step 6: Final answer
x = 211,805.65
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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.