Finding the Fourth Proportional to 288,069.65, 431,860.48 and 119,484.75
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Solution
The fourth proportional to 288,069.65, 431,860.48 and 119,484.75 is: 179,125.92
Step by Step Solution
- Step 1: Write the proportion equation
288,069.65 : 431,860.48 = 119,484.75 : x - Step 2: Convert to fraction form
288,069.65/431,860.48 = 119,484.75/x - Step 3: Cross multiply
288,069.65x = 431,860.48 × 119,484.75 - Step 4: Simplify right side
288,069.65x = 51,600,740,890.26 - Step 5: Solve for x
x = 51,600,740,890.26/288,069.65 - Step 6: Final answer
x = 179,125.92
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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.