Finding the Fourth Proportional to 351,181.47, 484,632.68 and 205,957.65
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Solution
The fourth proportional to 351,181.47, 484,632.68 and 205,957.65 is: 284,222.88
Step by Step Solution
- Step 1: Write the proportion equation
351,181.47 : 484,632.68 = 205,957.65 : x - Step 2: Convert to fraction form
351,181.47/484,632.68 = 205,957.65/x - Step 3: Cross multiply
351,181.47x = 484,632.68 × 205,957.65 - Step 4: Simplify right side
351,181.47x = 99,813,807,886.00 - Step 5: Solve for x
x = 99,813,807,886.00/351,181.47 - Step 6: Final answer
x = 284,222.88
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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.