Finding the Fourth Proportional to 159,150.26, 219,622.26 and 87,530.06
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Solution
The fourth proportional to 159,150.26, 219,622.26 and 87,530.06 is: 120,788.68
Step by Step Solution
- Step 1: Write the proportion equation
159,150.26 : 219,622.26 = 87,530.06 : x - Step 2: Convert to fraction form
159,150.26/219,622.26 = 87,530.06/x - Step 3: Cross multiply
159,150.26x = 219,622.26 × 87,530.06 - Step 4: Simplify right side
159,150.26x = 19,223,549,595.14 - Step 5: Solve for x
x = 19,223,549,595.14/159,150.26 - Step 6: Final answer
x = 120,788.68
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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.