Finding the Fourth Proportional to 487,295.62, 731,606.58 and 274,214.08
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Solution
The fourth proportional to 487,295.62, 731,606.58 and 274,214.08 is: 411,694.29
Step by Step Solution
- Step 1: Write the proportion equation
487,295.62 : 731,606.58 = 274,214.08 : x - Step 2: Convert to fraction form
487,295.62/731,606.58 = 274,214.08/x - Step 3: Cross multiply
487,295.62x = 731,606.58 × 274,214.08 - Step 4: Simplify right side
487,295.62x = 200,616,825,256.65 - Step 5: Solve for x
x = 200,616,825,256.65/487,295.62 - Step 6: Final answer
x = 411,694.29
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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.