Finding the Fourth Proportional to 610,251.36, 842,122.08 and 338,323.20
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Solution
The fourth proportional to 610,251.36, 842,122.08 and 338,323.20 is: 466,872.27
Step by Step Solution
- Step 1: Write the proportion equation
610,251.36 : 842,122.08 = 338,323.20 : x - Step 2: Convert to fraction form
610,251.36/842,122.08 = 338,323.20/x - Step 3: Cross multiply
610,251.36x = 842,122.08 × 338,323.20 - Step 4: Simplify right side
610,251.36x = 284,909,436,896.26 - Step 5: Solve for x
x = 284,909,436,896.26/610,251.36 - Step 6: Final answer
x = 466,872.27
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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.