Finding the Fourth Proportional to 627,645.69, 940,937.99 and 272,392.65
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Solution
The fourth proportional to 627,645.69, 940,937.99 and 272,392.65 is: 408,358.72
Step by Step Solution
- Step 1: Write the proportion equation
627,645.69 : 940,937.99 = 272,392.65 : x - Step 2: Convert to fraction form
627,645.69/940,937.99 = 272,392.65/x - Step 3: Cross multiply
627,645.69x = 940,937.99 × 272,392.65 - Step 4: Simplify right side
627,645.69x = 256,304,591,219.81 - Step 5: Solve for x
x = 256,304,591,219.81/627,645.69 - Step 6: Final answer
x = 408,358.72
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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.