Finding the Fourth Proportional to 191,867.68, 264,785.62 and 106,984.76
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Solution
The fourth proportional to 191,867.68, 264,785.62 and 106,984.76 is: 147,643.55
Step by Step Solution
- Step 1: Write the proportion equation
191,867.68 : 264,785.62 = 106,984.76 : x - Step 2: Convert to fraction form
191,867.68/264,785.62 = 106,984.76/x - Step 3: Cross multiply
191,867.68x = 264,785.62 × 106,984.76 - Step 4: Simplify right side
191,867.68x = 28,328,026,007.15 - Step 5: Solve for x
x = 28,328,026,007.15/191,867.68 - Step 6: Final answer
x = 147,643.55
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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.