Finding the Fourth Proportional to 510,942.87, 705,101.36 and 296,207.42
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Solution
The fourth proportional to 510,942.87, 705,101.36 and 296,207.42 is: 408,766.35
Step by Step Solution
- Step 1: Write the proportion equation
510,942.87 : 705,101.36 = 296,207.42 : x - Step 2: Convert to fraction form
510,942.87/705,101.36 = 296,207.42/x - Step 3: Cross multiply
510,942.87x = 705,101.36 × 296,207.42 - Step 4: Simplify right side
510,942.87x = 208,856,249,677.55 - Step 5: Solve for x
x = 208,856,249,677.55/510,942.87 - Step 6: Final answer
x = 408,766.35
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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.