Finding the Fourth Proportional to 625,121.14, 862,671.32 and 338,641.02
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Solution
The fourth proportional to 625,121.14, 862,671.32 and 338,641.02 is: 467,326.84
Step by Step Solution
- Step 1: Write the proportion equation
625,121.14 : 862,671.32 = 338,641.02 : x - Step 2: Convert to fraction form
625,121.14/862,671.32 = 338,641.02/x - Step 3: Cross multiply
625,121.14x = 862,671.32 × 338,641.02 - Step 4: Simplify right side
625,121.14x = 292,135,889,722.99 - Step 5: Solve for x
x = 292,135,889,722.99/625,121.14 - Step 6: Final answer
x = 467,326.84
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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.