Finding the Fourth Proportional to 610,299.05, 842,211.18 and 338,359.95
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Solution
The fourth proportional to 610,299.05, 842,211.18 and 338,359.95 is: 466,935.90
Step by Step Solution
- Step 1: Write the proportion equation
610,299.05 : 842,211.18 = 338,359.95 : x - Step 2: Convert to fraction form
610,299.05/842,211.18 = 338,359.95/x - Step 3: Cross multiply
610,299.05x = 842,211.18 × 338,359.95 - Step 4: Simplify right side
610,299.05x = 284,970,532,754.24 - Step 5: Solve for x
x = 284,970,532,754.24/610,299.05 - Step 6: Final answer
x = 466,935.90
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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.