Finding the Fourth Proportional to 372,119.10, 558,178.65 and 214,217.70
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Solution
The fourth proportional to 372,119.10, 558,178.65 and 214,217.70 is: 321,326.55
Step by Step Solution
- Step 1: Write the proportion equation
372,119.10 : 558,178.65 = 214,217.70 : x - Step 2: Convert to fraction form
372,119.10/558,178.65 = 214,217.70/x - Step 3: Cross multiply
372,119.10x = 558,178.65 × 214,217.70 - Step 4: Simplify right side
372,119.10x = 119,571,746,592.11 - Step 5: Solve for x
x = 119,571,746,592.11/372,119.10 - Step 6: Final answer
x = 321,326.55
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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.