Finding the Fourth Proportional to 159,372.24, 219,925.50 and 87,738.48
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Solution
The fourth proportional to 159,372.24, 219,925.50 and 87,738.48 is: 121,074.59
Step by Step Solution
- Step 1: Write the proportion equation
159,372.24 : 219,925.50 = 87,738.48 : x - Step 2: Convert to fraction form
159,372.24/219,925.50 = 87,738.48/x - Step 3: Cross multiply
159,372.24x = 219,925.50 × 87,738.48 - Step 4: Simplify right side
159,372.24x = 19,295,929,083.24 - Step 5: Solve for x
x = 19,295,929,083.24/159,372.24 - Step 6: Final answer
x = 121,074.59
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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.