Finding the Fourth Proportional to 415,242.19, 573,034.08 and 224,255.62
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Solution
The fourth proportional to 415,242.19, 573,034.08 and 224,255.62 is: 309,472.68
Step by Step Solution
- Step 1: Write the proportion equation
415,242.19 : 573,034.08 = 224,255.62 : x - Step 2: Convert to fraction form
415,242.19/573,034.08 = 224,255.62/x - Step 3: Cross multiply
415,242.19x = 573,034.08 × 224,255.62 - Step 4: Simplify right side
415,242.19x = 128,506,112,891.53 - Step 5: Solve for x
x = 128,506,112,891.53/415,242.19 - Step 6: Final answer
x = 309,472.68
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1.5x scale
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.