Finding the Fourth Proportional to 381,859.59, 526,952.21 and 212,104.65
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Solution
The fourth proportional to 381,859.59, 526,952.21 and 212,104.65 is: 292,696.62
Step by Step Solution
- Step 1: Write the proportion equation
381,859.59 : 526,952.21 = 212,104.65 : x - Step 2: Convert to fraction form
381,859.59/526,952.21 = 212,104.65/x - Step 3: Cross multiply
381,859.59x = 526,952.21 × 212,104.65 - Step 4: Simplify right side
381,859.59x = 111,769,013,008.25 - Step 5: Solve for x
x = 111,769,013,008.25/381,859.59 - Step 6: Final answer
x = 292,696.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.