Finding the Fourth Proportional to 382,904.10, 528,398.91 and 239,743.08
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Solution
The fourth proportional to 382,904.10, 528,398.91 and 239,743.08 is: 330,839.97
Step by Step Solution
- Step 1: Write the proportion equation
382,904.10 : 528,398.91 = 239,743.08 : x - Step 2: Convert to fraction form
382,904.10/528,398.91 = 239,743.08/x - Step 3: Cross multiply
382,904.10x = 528,398.91 × 239,743.08 - Step 4: Simplify right side
382,904.10x = 126,679,982,152.04 - Step 5: Solve for x
x = 126,679,982,152.04/382,904.10 - Step 6: Final answer
x = 330,839.97
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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.