Finding the Fourth Proportional to 479,671.20, 661,937.64 and 264,806.70
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Solution
The fourth proportional to 479,671.20, 661,937.64 and 264,806.70 is: 365,428.49
Step by Step Solution
- Step 1: Write the proportion equation
479,671.20 : 661,937.64 = 264,806.70 : x - Step 2: Convert to fraction form
479,671.20/661,937.64 = 264,806.70/x - Step 3: Cross multiply
479,671.20x = 661,937.64 × 264,806.70 - Step 4: Simplify right side
479,671.20x = 175,285,522,054.19 - Step 5: Solve for x
x = 175,285,522,054.19/479,671.20 - Step 6: Final answer
x = 365,428.49
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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.