Finding the Fourth Proportional to 212,287.04, 292,757.28 and 131,727.68
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Solution
The fourth proportional to 212,287.04, 292,757.28 and 131,727.68 is: 181,660.82
Step by Step Solution
- Step 1: Write the proportion equation
212,287.04 : 292,757.28 = 131,727.68 : x - Step 2: Convert to fraction form
212,287.04/292,757.28 = 131,727.68/x - Step 3: Cross multiply
212,287.04x = 292,757.28 × 131,727.68 - Step 4: Simplify right side
212,287.04x = 38,564,237,297.51 - Step 5: Solve for x
x = 38,564,237,297.51/212,287.04 - Step 6: Final answer
x = 181,660.82
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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.