Finding the Fourth Proportional to 202,671.48, 279,658.05 and 115,458.87
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Solution
The fourth proportional to 202,671.48, 279,658.05 and 115,458.87 is: 159,316.95
Step by Step Solution
- Step 1: Write the proportion equation
202,671.48 : 279,658.05 = 115,458.87 : x - Step 2: Convert to fraction form
202,671.48/279,658.05 = 115,458.87/x - Step 3: Cross multiply
202,671.48x = 279,658.05 × 115,458.87 - Step 4: Simplify right side
202,671.48x = 32,289,002,439.40 - Step 5: Solve for x
x = 32,289,002,439.40/202,671.48 - Step 6: Final answer
x = 159,316.95
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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.