Finding the Fourth Proportional to 466,278.88, 699,418.28 and 129,319.53
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Solution
The fourth proportional to 466,278.88, 699,418.28 and 129,319.53 is: 193,979.28
Step by Step Solution
- Step 1: Write the proportion equation
466,278.88 : 699,418.28 = 129,319.53 : x - Step 2: Convert to fraction form
466,278.88/699,418.28 = 129,319.53/x - Step 3: Cross multiply
466,278.88x = 699,418.28 × 129,319.53 - Step 4: Simplify right side
466,278.88x = 90,448,440,458.54 - Step 5: Solve for x
x = 90,448,440,458.54/466,278.88 - Step 6: Final answer
x = 193,979.28
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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.