Finding the Fourth Proportional to 496,454.49, 744,689.95 and 240,138.09
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Solution
The fourth proportional to 496,454.49, 744,689.95 and 240,138.09 is: 360,211.11
Step by Step Solution
- Step 1: Write the proportion equation
496,454.49 : 744,689.95 = 240,138.09 : x - Step 2: Convert to fraction form
496,454.49/744,689.95 = 240,138.09/x - Step 3: Cross multiply
496,454.49x = 744,689.95 × 240,138.09 - Step 4: Simplify right side
496,454.49x = 178,828,421,634.85 - Step 5: Solve for x
x = 178,828,421,634.85/496,454.49 - Step 6: Final answer
x = 360,211.11
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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.