Finding the Fourth Proportional to 157,947.69, 217,897.74 and 94,248.48
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Solution
The fourth proportional to 157,947.69, 217,897.74 and 94,248.48 is: 130,021.09
Step by Step Solution
- Step 1: Write the proportion equation
157,947.69 : 217,897.74 = 94,248.48 : x - Step 2: Convert to fraction form
157,947.69/217,897.74 = 94,248.48/x - Step 3: Cross multiply
157,947.69x = 217,897.74 × 94,248.48 - Step 4: Simplify right side
157,947.69x = 20,536,530,790.44 - Step 5: Solve for x
x = 20,536,530,790.44/157,947.69 - Step 6: Final answer
x = 130,021.09
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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.