Finding the Fourth Proportional to 519,351.11, 778,948.56 and 164,318.93
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Solution
The fourth proportional to 519,351.11, 778,948.56 and 164,318.93 is: 246,453.68
Step by Step Solution
- Step 1: Write the proportion equation
519,351.11 : 778,948.56 = 164,318.93 : x - Step 2: Convert to fraction form
519,351.11/778,948.56 = 164,318.93/x - Step 3: Cross multiply
519,351.11x = 778,948.56 × 164,318.93 - Step 4: Simplify right side
519,351.11x = 127,995,993,904.24 - Step 5: Solve for x
x = 127,995,993,904.24/519,351.11 - Step 6: Final answer
x = 246,453.68
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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.