Finding the Fourth Proportional to 368,103.69, 552,162.42 and 115,378.53
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Solution
The fourth proportional to 368,103.69, 552,162.42 and 115,378.53 is: 173,069.95
Step by Step Solution
- Step 1: Write the proportion equation
368,103.69 : 552,162.42 = 115,378.53 : x - Step 2: Convert to fraction form
368,103.69/552,162.42 = 115,378.53/x - Step 3: Cross multiply
368,103.69x = 552,162.42 × 115,378.53 - Step 4: Simplify right side
368,103.69x = 63,707,686,270.23 - Step 5: Solve for x
x = 63,707,686,270.23/368,103.69 - Step 6: Final answer
x = 173,069.95
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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.