Finding the Fourth Proportional to 293,721.69, 440,574.79 and 83,359.65
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Solution
The fourth proportional to 293,721.69, 440,574.79 and 83,359.65 is: 125,037.28
Step by Step Solution
- Step 1: Write the proportion equation
293,721.69 : 440,574.79 = 83,359.65 : x - Step 2: Convert to fraction form
293,721.69/440,574.79 = 83,359.65/x - Step 3: Cross multiply
293,721.69x = 440,574.79 × 83,359.65 - Step 4: Simplify right side
293,721.69x = 36,726,160,293.22 - Step 5: Solve for x
x = 36,726,160,293.22/293,721.69 - Step 6: Final answer
x = 125,037.28
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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.