Finding the Fourth Proportional to 437,772.21, 654,657.21 and 318,230.79
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Solution
The fourth proportional to 437,772.21, 654,657.21 and 318,230.79 is: 475,891.52
Step by Step Solution
- Step 1: Write the proportion equation
437,772.21 : 654,657.21 = 318,230.79 : x - Step 2: Convert to fraction form
437,772.21/654,657.21 = 318,230.79/x - Step 3: Cross multiply
437,772.21x = 654,657.21 × 318,230.79 - Step 4: Simplify right side
437,772.21x = 208,332,081,117.50 - Step 5: Solve for x
x = 208,332,081,117.50/437,772.21 - Step 6: Final answer
x = 475,891.52
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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.