Finding the Fourth Proportional to 411,260.48, 567,540.97 and 239,219.72
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Solution
The fourth proportional to 411,260.48, 567,540.97 and 239,219.72 is: 330,124.09
Step by Step Solution
- Step 1: Write the proportion equation
411,260.48 : 567,540.97 = 239,219.72 : x - Step 2: Convert to fraction form
411,260.48/567,540.97 = 239,219.72/x - Step 3: Cross multiply
411,260.48x = 567,540.97 × 239,219.72 - Step 4: Simplify right side
411,260.48x = 135,766,988,496.17 - Step 5: Solve for x
x = 135,766,988,496.17/411,260.48 - Step 6: Final answer
x = 330,124.09
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1.5x scale
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.