Finding the Fourth Proportional to 272,480.97, 408,723.75 and 94,987.65
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Solution
The fourth proportional to 272,480.97, 408,723.75 and 94,987.65 is: 142,482.28
Step by Step Solution
- Step 1: Write the proportion equation
272,480.97 : 408,723.75 = 94,987.65 : x - Step 2: Convert to fraction form
272,480.97/408,723.75 = 94,987.65/x - Step 3: Cross multiply
272,480.97x = 408,723.75 × 94,987.65 - Step 4: Simplify right side
272,480.97x = 38,823,708,511.69 - Step 5: Solve for x
x = 38,823,708,511.69/272,480.97 - Step 6: Final answer
x = 142,482.28
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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.