Finding the Fourth Proportional to 656,848.13, 985,266.26 and 207,569.08
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Solution
The fourth proportional to 656,848.13, 985,266.26 and 207,569.08 is: 311,351.74
Step by Step Solution
- Step 1: Write the proportion equation
656,848.13 : 985,266.26 = 207,569.08 : x - Step 2: Convert to fraction form
656,848.13/985,266.26 = 207,569.08/x - Step 3: Cross multiply
656,848.13x = 985,266.26 × 207,569.08 - Step 4: Simplify right side
656,848.13x = 204,510,805,179.06 - Step 5: Solve for x
x = 204,510,805,179.06/656,848.13 - Step 6: Final answer
x = 311,351.74
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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.