Finding the Fourth Proportional to 146,004.84, 201,304.13 and 121,840.62
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Solution
The fourth proportional to 146,004.84, 201,304.13 and 121,840.62 is: 167,987.71
Step by Step Solution
- Step 1: Write the proportion equation
146,004.84 : 201,304.13 = 121,840.62 : x - Step 2: Convert to fraction form
146,004.84/201,304.13 = 121,840.62/x - Step 3: Cross multiply
146,004.84x = 201,304.13 × 121,840.62 - Step 4: Simplify right side
146,004.84x = 24,527,019,398.56 - Step 5: Solve for x
x = 24,527,019,398.56/146,004.84 - Step 6: Final answer
x = 167,987.71
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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.