Finding the Fourth Proportional to 212,044.92, 292,624.26 and 115,248.78
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Solution
The fourth proportional to 212,044.92, 292,624.26 and 115,248.78 is: 159,044.55
Step by Step Solution
- Step 1: Write the proportion equation
212,044.92 : 292,624.26 = 115,248.78 : x - Step 2: Convert to fraction form
212,044.92/292,624.26 = 115,248.78/x - Step 3: Cross multiply
212,044.92x = 292,624.26 × 115,248.78 - Step 4: Simplify right side
212,044.92x = 33,724,588,963.40 - Step 5: Solve for x
x = 33,724,588,963.40/212,044.92 - Step 6: Final answer
x = 159,044.55
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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.