Finding the Fourth Proportional to 703,362.38, 1,055,132.99 and 223,418.96
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Solution
The fourth proportional to 703,362.38, 1,055,132.99 and 223,418.96 is: 335,156.84
Step by Step Solution
- Step 1: Write the proportion equation
703,362.38 : 1,055,132.99 = 223,418.96 : x - Step 2: Convert to fraction form
703,362.38/1,055,132.99 = 223,418.96/x - Step 3: Cross multiply
703,362.38x = 1,055,132.99 × 223,418.96 - Step 4: Simplify right side
703,362.38x = 235,736,712,851.48 - Step 5: Solve for x
x = 235,736,712,851.48/703,362.38 - Step 6: Final answer
x = 335,156.84
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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.