Finding the Fourth Proportional to 242,569.24, 363,451.60 and 147,511.88
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Solution
The fourth proportional to 242,569.24, 363,451.60 and 147,511.88 is: 221,023.20
Step by Step Solution
- Step 1: Write the proportion equation
242,569.24 : 363,451.60 = 147,511.88 : x - Step 2: Convert to fraction form
242,569.24/363,451.60 = 147,511.88/x - Step 3: Cross multiply
242,569.24x = 363,451.60 × 147,511.88 - Step 4: Simplify right side
242,569.24x = 53,613,428,805.01 - Step 5: Solve for x
x = 53,613,428,805.01/242,569.24 - Step 6: Final answer
x = 221,023.20
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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.