Finding the Fourth Proportional to 307,900.05, 424,781.19 and 178,816.56
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Solution
The fourth proportional to 307,900.05, 424,781.19 and 178,816.56 is: 246,696.65
Step by Step Solution
- Step 1: Write the proportion equation
307,900.05 : 424,781.19 = 178,816.56 : x - Step 2: Convert to fraction form
307,900.05/424,781.19 = 178,816.56/x - Step 3: Cross multiply
307,900.05x = 424,781.19 × 178,816.56 - Step 4: Simplify right side
307,900.05x = 75,957,911,148.51 - Step 5: Solve for x
x = 75,957,911,148.51/307,900.05 - Step 6: Final answer
x = 246,696.65
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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.