Finding the Fourth Proportional to 235,008.80, 324,312.36 and 127,578.80
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Solution
The fourth proportional to 235,008.80, 324,312.36 and 127,578.80 is: 176,058.86
Step by Step Solution
- Step 1: Write the proportion equation
235,008.80 : 324,312.36 = 127,578.80 : x - Step 2: Convert to fraction form
235,008.80/324,312.36 = 127,578.80/x - Step 3: Cross multiply
235,008.80x = 324,312.36 × 127,578.80 - Step 4: Simplify right side
235,008.80x = 41,375,381,713.97 - Step 5: Solve for x
x = 41,375,381,713.97/235,008.80 - Step 6: Final answer
x = 176,058.86
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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.