Finding the Fourth Proportional to 269,902.19, 372,465.16 and 149,051.70
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Solution
The fourth proportional to 269,902.19, 372,465.16 and 149,051.70 is: 205,691.42
Step by Step Solution
- Step 1: Write the proportion equation
269,902.19 : 372,465.16 = 149,051.70 : x - Step 2: Convert to fraction form
269,902.19/372,465.16 = 149,051.70/x - Step 3: Cross multiply
269,902.19x = 372,465.16 × 149,051.70 - Step 4: Simplify right side
269,902.19x = 55,516,564,916.14 - Step 5: Solve for x
x = 55,516,564,916.14/269,902.19 - Step 6: Final answer
x = 205,691.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.