Finding the Fourth Proportional to 355,319.40, 532,979.10 and 236,605.80
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Solution
The fourth proportional to 355,319.40, 532,979.10 and 236,605.80 is: 354,908.70
Step by Step Solution
- Step 1: Write the proportion equation
355,319.40 : 532,979.10 = 236,605.80 : x - Step 2: Convert to fraction form
355,319.40/532,979.10 = 236,605.80/x - Step 3: Cross multiply
355,319.40x = 532,979.10 × 236,605.80 - Step 4: Simplify right side
355,319.40x = 126,105,946,338.78 - Step 5: Solve for x
x = 126,105,946,338.78/355,319.40 - Step 6: Final answer
x = 354,908.70
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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.