Finding the Fourth Proportional to 287,825.80, 431,177.68 and 175,226.73
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Solution
The fourth proportional to 287,825.80, 431,177.68 and 175,226.73 is: 262,498.55
Step by Step Solution
- Step 1: Write the proportion equation
287,825.80 : 431,177.68 = 175,226.73 : x - Step 2: Convert to fraction form
287,825.80/431,177.68 = 175,226.73/x - Step 3: Cross multiply
287,825.80x = 431,177.68 × 175,226.73 - Step 4: Simplify right side
287,825.80x = 75,553,854,039.25 - Step 5: Solve for x
x = 75,553,854,039.25/287,825.80 - Step 6: Final answer
x = 262,498.55
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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.