Finding the Fourth Proportional to 236,278.65, 326,058.62 and 128,850.75
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Solution
The fourth proportional to 236,278.65, 326,058.62 and 128,850.75 is: 177,810.81
Step by Step Solution
- Step 1: Write the proportion equation
236,278.65 : 326,058.62 = 128,850.75 : x - Step 2: Convert to fraction form
236,278.65/326,058.62 = 128,850.75/x - Step 3: Cross multiply
236,278.65x = 326,058.62 × 128,850.75 - Step 4: Simplify right side
236,278.65x = 42,012,897,086.71 - Step 5: Solve for x
x = 42,012,897,086.71/236,278.65 - Step 6: Final answer
x = 177,810.81
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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.