Finding the Fourth Proportional to 307,957.20, 461,935.80 and 202,894.80
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Solution
The fourth proportional to 307,957.20, 461,935.80 and 202,894.80 is: 304,342.20
Step by Step Solution
- Step 1: Write the proportion equation
307,957.20 : 461,935.80 = 202,894.80 : x - Step 2: Convert to fraction form
307,957.20/461,935.80 = 202,894.80/x - Step 3: Cross multiply
307,957.20x = 461,935.80 × 202,894.80 - Step 4: Simplify right side
307,957.20x = 93,724,371,753.84 - Step 5: Solve for x
x = 93,724,371,753.84/307,957.20 - Step 6: Final answer
x = 304,342.20
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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.