Finding the Fourth Proportional to 372,613.46, 558,929.36 and 135,956.09
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Solution
The fourth proportional to 372,613.46, 558,929.36 and 135,956.09 is: 203,937.49
Step by Step Solution
- Step 1: Write the proportion equation
372,613.46 : 558,929.36 = 135,956.09 : x - Step 2: Convert to fraction form
372,613.46/558,929.36 = 135,956.09/x - Step 3: Cross multiply
372,613.46x = 558,929.36 × 135,956.09 - Step 4: Simplify right side
372,613.46x = 75,989,852,109.02 - Step 5: Solve for x
x = 75,989,852,109.02/372,613.46 - Step 6: Final answer
x = 203,937.49
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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.