Finding the Fourth Proportional to 185,149.68, 277,352.64 and 85,170.84
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Solution
The fourth proportional to 185,149.68, 277,352.64 and 85,170.84 is: 127,585.19
Step by Step Solution
- Step 1: Write the proportion equation
185,149.68 : 277,352.64 = 85,170.84 : x - Step 2: Convert to fraction form
185,149.68/277,352.64 = 85,170.84/x - Step 3: Cross multiply
185,149.68x = 277,352.64 × 85,170.84 - Step 4: Simplify right side
185,149.68x = 23,622,357,325.02 - Step 5: Solve for x
x = 23,622,357,325.02/185,149.68 - Step 6: Final answer
x = 127,585.19
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.