Finding the Fourth Proportional to 179,209.08, 268,857.90 and 74,058.12
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Solution
The fourth proportional to 179,209.08, 268,857.90 and 74,058.12 is: 111,105.48
Step by Step Solution
- Step 1: Write the proportion equation
179,209.08 : 268,857.90 = 74,058.12 : x - Step 2: Convert to fraction form
179,209.08/268,857.90 = 74,058.12/x - Step 3: Cross multiply
179,209.08x = 268,857.90 × 74,058.12 - Step 4: Simplify right side
179,209.08x = 19,911,110,621.15 - Step 5: Solve for x
x = 19,911,110,621.15/179,209.08 - Step 6: Final answer
x = 111,105.48
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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.