Finding the Fourth Proportional to 159,554.24, 220,184.85 and 87,934.26
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Solution
The fourth proportional to 159,554.24, 220,184.85 and 87,934.26 is: 121,349.28
Step by Step Solution
- Step 1: Write the proportion equation
159,554.24 : 220,184.85 = 87,934.26 : x - Step 2: Convert to fraction form
159,554.24/220,184.85 = 87,934.26/x - Step 3: Cross multiply
159,554.24x = 220,184.85 × 87,934.26 - Step 4: Simplify right side
159,554.24x = 19,361,791,847.96 - Step 5: Solve for x
x = 19,361,791,847.96/159,554.24 - Step 6: Final answer
x = 121,349.28
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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.