Finding the Fourth Proportional to 352,920.97, 529,248.94 and 128,225.93
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Solution
The fourth proportional to 352,920.97, 529,248.94 and 128,225.93 is: 192,290.75
Step by Step Solution
- Step 1: Write the proportion equation
352,920.97 : 529,248.94 = 128,225.93 : x - Step 2: Convert to fraction form
352,920.97/529,248.94 = 128,225.93/x - Step 3: Cross multiply
352,920.97x = 529,248.94 × 128,225.93 - Step 4: Simplify right side
352,920.97x = 67,863,436,891.88 - Step 5: Solve for x
x = 67,863,436,891.88/352,920.97 - Step 6: Final answer
x = 192,290.75
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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.