Finding the Fourth Proportional to 286,037.14, 394,731.24 and 158,713.66
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Solution
The fourth proportional to 286,037.14, 394,731.24 and 158,713.66 is: 219,024.84
Step by Step Solution
- Step 1: Write the proportion equation
286,037.14 : 394,731.24 = 158,713.66 : x - Step 2: Convert to fraction form
286,037.14/394,731.24 = 158,713.66/x - Step 3: Cross multiply
286,037.14x = 394,731.24 × 158,713.66 - Step 4: Simplify right side
286,037.14x = 62,649,239,816.74 - Step 5: Solve for x
x = 62,649,239,816.74/286,037.14 - Step 6: Final answer
x = 219,024.84
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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.