Finding the Fourth Proportional to 194,963.13, 292,444.68 and 106,291.20
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Solution
The fourth proportional to 194,963.13, 292,444.68 and 106,291.20 is: 159,436.79
Step by Step Solution
- Step 1: Write the proportion equation
194,963.13 : 292,444.68 = 106,291.20 : x - Step 2: Convert to fraction form
194,963.13/292,444.68 = 106,291.20/x - Step 3: Cross multiply
194,963.13x = 292,444.68 × 106,291.20 - Step 4: Simplify right side
194,963.13x = 31,084,295,970.82 - Step 5: Solve for x
x = 31,084,295,970.82/194,963.13 - Step 6: Final answer
x = 159,436.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.