Finding the Fourth Proportional to 356,264.73, 491,645.50 and 195,129.91
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Solution
The fourth proportional to 356,264.73, 491,645.50 and 195,129.91 is: 269,279.37
Step by Step Solution
- Step 1: Write the proportion equation
356,264.73 : 491,645.50 = 195,129.91 : x - Step 2: Convert to fraction form
356,264.73/491,645.50 = 195,129.91/x - Step 3: Cross multiply
356,264.73x = 491,645.50 × 195,129.91 - Step 4: Simplify right side
356,264.73x = 95,934,742,293.64 - Step 5: Solve for x
x = 95,934,742,293.64/356,264.73 - Step 6: Final answer
x = 269,279.37
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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.