Finding the Fourth Proportional to 260,239.92, 390,058.68 and 119,703.60
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Solution
The fourth proportional to 260,239.92, 390,058.68 and 119,703.60 is: 179,416.86
Step by Step Solution
- Step 1: Write the proportion equation
260,239.92 : 390,058.68 = 119,703.60 : x - Step 2: Convert to fraction form
260,239.92/390,058.68 = 119,703.60/x - Step 3: Cross multiply
260,239.92x = 390,058.68 × 119,703.60 - Step 4: Simplify right side
260,239.92x = 46,691,428,207.25 - Step 5: Solve for x
x = 46,691,428,207.25/260,239.92 - Step 6: Final answer
x = 179,416.86
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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.