Finding the Fourth Proportional to 159,335.80, 219,889.68 and 87,722.48
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Solution
The fourth proportional to 159,335.80, 219,889.68 and 87,722.48 is: 121,060.48
Step by Step Solution
- Step 1: Write the proportion equation
159,335.80 : 219,889.68 = 87,722.48 : x - Step 2: Convert to fraction form
159,335.80/219,889.68 = 87,722.48/x - Step 3: Cross multiply
159,335.80x = 219,889.68 × 87,722.48 - Step 4: Simplify right side
159,335.80x = 19,289,268,056.01 - Step 5: Solve for x
x = 19,289,268,056.01/159,335.80 - Step 6: Final answer
x = 121,060.48
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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.