Finding the Fourth Proportional to 372,632.18, 558,957.44 and 135,974.79
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Solution
The fourth proportional to 372,632.18, 558,957.44 and 135,974.79 is: 203,965.53
Step by Step Solution
- Step 1: Write the proportion equation
372,632.18 : 558,957.44 = 135,974.79 : x - Step 2: Convert to fraction form
372,632.18/558,957.44 = 135,974.79/x - Step 3: Cross multiply
372,632.18x = 558,957.44 × 135,974.79 - Step 4: Simplify right side
372,632.18x = 76,004,119,843.06 - Step 5: Solve for x
x = 76,004,119,843.06/372,632.18 - Step 6: Final answer
x = 203,965.53
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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.