Finding the Fourth Proportional to 197,279.92, 272,248.28 and 106,637.64
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Solution
The fourth proportional to 197,279.92, 272,248.28 and 106,637.64 is: 147,161.02
Step by Step Solution
- Step 1: Write the proportion equation
197,279.92 : 272,248.28 = 106,637.64 : x - Step 2: Convert to fraction form
197,279.92/272,248.28 = 106,637.64/x - Step 3: Cross multiply
197,279.92x = 272,248.28 × 106,637.64 - Step 4: Simplify right side
197,279.92x = 29,031,914,073.26 - Step 5: Solve for x
x = 29,031,914,073.26/197,279.92 - Step 6: Final answer
x = 147,161.02
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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.