Finding the Fourth Proportional to 477,891.60, 659,503.68 and 260,102.24
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Solution
The fourth proportional to 477,891.60, 659,503.68 and 260,102.24 is: 358,948.31
Step by Step Solution
- Step 1: Write the proportion equation
477,891.60 : 659,503.68 = 260,102.24 : x - Step 2: Convert to fraction form
477,891.60/659,503.68 = 260,102.24/x - Step 3: Cross multiply
477,891.60x = 659,503.68 × 260,102.24 - Step 4: Simplify right side
477,891.60x = 171,538,384,456.24 - Step 5: Solve for x
x = 171,538,384,456.24/477,891.60 - Step 6: Final answer
x = 358,948.31
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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.