Finding the Fourth Proportional to 346,414.71, 519,621.84 and 252,243.95
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Solution
The fourth proportional to 346,414.71, 519,621.84 and 252,243.95 is: 378,365.76
Step by Step Solution
- Step 1: Write the proportion equation
346,414.71 : 519,621.84 = 252,243.95 : x - Step 2: Convert to fraction form
346,414.71/519,621.84 = 252,243.95/x - Step 3: Cross multiply
346,414.71x = 519,621.84 × 252,243.95 - Step 4: Simplify right side
346,414.71x = 131,071,466,726.92 - Step 5: Solve for x
x = 131,071,466,726.92/346,414.71 - Step 6: Final answer
x = 378,365.76
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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.