Finding the Fourth Proportional to 245,278.08, 338,356.56 and 164,728.44
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Solution
The fourth proportional to 245,278.08, 338,356.56 and 164,728.44 is: 227,239.83
Step by Step Solution
- Step 1: Write the proportion equation
245,278.08 : 338,356.56 = 164,728.44 : x - Step 2: Convert to fraction form
245,278.08/338,356.56 = 164,728.44/x - Step 3: Cross multiply
245,278.08x = 338,356.56 × 164,728.44 - Step 4: Simplify right side
245,278.08x = 55,736,948,292.57 - Step 5: Solve for x
x = 55,736,948,292.57/245,278.08 - Step 6: Final answer
x = 227,239.83
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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.