Finding the Fourth Proportional to 852,173.98, 1,278,708.08 and 320,062.30
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Solution
The fourth proportional to 852,173.98, 1,278,708.08 and 320,062.30 is: 480,261.38
Step by Step Solution
- Step 1: Write the proportion equation
852,173.98 : 1,278,708.08 = 320,062.30 : x - Step 2: Convert to fraction form
852,173.98/1,278,708.08 = 320,062.30/x - Step 3: Cross multiply
852,173.98x = 1,278,708.08 × 320,062.30 - Step 4: Simplify right side
852,173.98x = 409,266,249,113.38 - Step 5: Solve for x
x = 409,266,249,113.38/852,173.98 - Step 6: Final answer
x = 480,261.38
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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.