Finding the Fourth Proportional to 346,324.20, 519,486.30 and 121,719.30
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Solution
The fourth proportional to 346,324.20, 519,486.30 and 121,719.30 is: 182,578.95
Step by Step Solution
- Step 1: Write the proportion equation
346,324.20 : 519,486.30 = 121,719.30 : x - Step 2: Convert to fraction form
346,324.20/519,486.30 = 121,719.30/x - Step 3: Cross multiply
346,324.20x = 519,486.30 × 121,719.30 - Step 4: Simplify right side
346,324.20x = 63,231,508,795.59 - Step 5: Solve for x
x = 63,231,508,795.59/346,324.20 - Step 6: Final answer
x = 182,578.95
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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.