Finding the Fourth Proportional to 703,408.19, 1,055,109.54 and 170,930.79
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Solution
The fourth proportional to 703,408.19, 1,055,109.54 and 170,930.79 is: 256,395.52
Step by Step Solution
- Step 1: Write the proportion equation
703,408.19 : 1,055,109.54 = 170,930.79 : x - Step 2: Convert to fraction form
703,408.19/1,055,109.54 = 170,930.79/x - Step 3: Cross multiply
703,408.19x = 1,055,109.54 × 170,930.79 - Step 4: Simplify right side
703,408.19x = 180,350,707,849.73 - Step 5: Solve for x
x = 180,350,707,849.73/703,408.19 - Step 6: Final answer
x = 256,395.52
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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.