Finding the Fourth Proportional to 134,832.30, 202,248.45 and 126,521.70
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Solution
The fourth proportional to 134,832.30, 202,248.45 and 126,521.70 is: 189,782.55
Step by Step Solution
- Step 1: Write the proportion equation
134,832.30 : 202,248.45 = 126,521.70 : x - Step 2: Convert to fraction form
134,832.30/202,248.45 = 126,521.70/x - Step 3: Cross multiply
134,832.30x = 202,248.45 × 126,521.70 - Step 4: Simplify right side
134,832.30x = 25,588,817,716.37 - Step 5: Solve for x
x = 25,588,817,716.37/134,832.30 - Step 6: Final answer
x = 189,782.55
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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.