Finding the Fourth Proportional to 288,097.12, 397,463.04 and 180,479.68
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Solution
The fourth proportional to 288,097.12, 397,463.04 and 180,479.68 is: 248,992.43
Step by Step Solution
- Step 1: Write the proportion equation
288,097.12 : 397,463.04 = 180,479.68 : x - Step 2: Convert to fraction form
288,097.12/397,463.04 = 180,479.68/x - Step 3: Cross multiply
288,097.12x = 397,463.04 × 180,479.68 - Step 4: Simplify right side
288,097.12x = 71,734,002,271.03 - Step 5: Solve for x
x = 71,734,002,271.03/288,097.12 - Step 6: Final answer
x = 248,992.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.