Finding the Fourth Proportional to 382,058.10, 572,431.05 and 248,869.80
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Solution
The fourth proportional to 382,058.10, 572,431.05 and 248,869.80 is: 372,877.32
Step by Step Solution
- Step 1: Write the proportion equation
382,058.10 : 572,431.05 = 248,869.80 : x - Step 2: Convert to fraction form
382,058.10/572,431.05 = 248,869.80/x - Step 3: Cross multiply
382,058.10x = 572,431.05 × 248,869.80 - Step 4: Simplify right side
382,058.10x = 142,460,800,927.29 - Step 5: Solve for x
x = 142,460,800,927.29/382,058.10 - Step 6: Final answer
x = 372,877.32
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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.