Finding the Fourth Proportional to 224,608.08, 309,959.20 and 124,006.08
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Solution
The fourth proportional to 224,608.08, 309,959.20 and 124,006.08 is: 171,128.42
Step by Step Solution
- Step 1: Write the proportion equation
224,608.08 : 309,959.20 = 124,006.08 : x - Step 2: Convert to fraction form
224,608.08/309,959.20 = 124,006.08/x - Step 3: Cross multiply
224,608.08x = 309,959.20 × 124,006.08 - Step 4: Simplify right side
224,608.08x = 38,436,825,351.94 - Step 5: Solve for x
x = 38,436,825,351.94/224,608.08 - Step 6: Final answer
x = 171,128.42
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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.