Finding the Fourth Proportional to 610,232.78, 842,121.12 and 338,299.99
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Solution
The fourth proportional to 610,232.78, 842,121.12 and 338,299.99 is: 466,853.92
Step by Step Solution
- Step 1: Write the proportion equation
610,232.78 : 842,121.12 = 338,299.99 : x - Step 2: Convert to fraction form
610,232.78/842,121.12 = 338,299.99/x - Step 3: Cross multiply
610,232.78x = 842,121.12 × 338,299.99 - Step 4: Simplify right side
610,232.78x = 284,889,566,474.79 - Step 5: Solve for x
x = 284,889,566,474.79/610,232.78 - Step 6: Final answer
x = 466,853.92
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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.