Finding the Fourth Proportional to 185,835.26, 256,493.49 and 122,178.98
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Solution
The fourth proportional to 185,835.26, 256,493.49 and 122,178.98 is: 168,633.84
Step by Step Solution
- Step 1: Write the proportion equation
185,835.26 : 256,493.49 = 122,178.98 : x - Step 2: Convert to fraction form
185,835.26/256,493.49 = 122,178.98/x - Step 3: Cross multiply
185,835.26x = 256,493.49 × 122,178.98 - Step 4: Simplify right side
185,835.26x = 31,338,113,167.90 - Step 5: Solve for x
x = 31,338,113,167.90/185,835.26 - Step 6: Final answer
x = 168,633.84
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1.5x scale
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.