Finding the Fourth Proportional to 202,671.24, 279,618.12 and 131,141.76
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Solution
The fourth proportional to 202,671.24, 279,618.12 and 131,141.76 is: 180,931.50
Step by Step Solution
- Step 1: Write the proportion equation
202,671.24 : 279,618.12 = 131,141.76 : x - Step 2: Convert to fraction form
202,671.24/279,618.12 = 131,141.76/x - Step 3: Cross multiply
202,671.24x = 279,618.12 × 131,141.76 - Step 4: Simplify right side
202,671.24x = 36,669,612,384.69 - Step 5: Solve for x
x = 36,669,612,384.69/202,671.24 - Step 6: Final answer
x = 180,931.50
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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.