Finding the Fourth Proportional to 336,479.10, 464,391.53 and 215,756.70
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Solution
The fourth proportional to 336,479.10, 464,391.53 and 215,756.70 is: 297,776.55
Step by Step Solution
- Step 1: Write the proportion equation
336,479.10 : 464,391.53 = 215,756.70 : x - Step 2: Convert to fraction form
336,479.10/464,391.53 = 215,756.70/x - Step 3: Cross multiply
336,479.10x = 464,391.53 × 215,756.70 - Step 4: Simplify right side
336,479.10x = 100,195,584,020.75 - Step 5: Solve for x
x = 100,195,584,020.75/336,479.10 - Step 6: Final answer
x = 297,776.55
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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.