Finding the Fourth Proportional to 432,454.44, 648,743.69 and 132,960.17
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Solution
The fourth proportional to 432,454.44, 648,743.69 and 132,960.17 is: 199,459.32
Step by Step Solution
- Step 1: Write the proportion equation
432,454.44 : 648,743.69 = 132,960.17 : x - Step 2: Convert to fraction form
432,454.44/648,743.69 = 132,960.17/x - Step 3: Cross multiply
432,454.44x = 648,743.69 × 132,960.17 - Step 4: Simplify right side
432,454.44x = 86,257,067,400.31 - Step 5: Solve for x
x = 86,257,067,400.31/432,454.44 - Step 6: Final answer
x = 199,459.32
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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.