Finding the Fourth Proportional to 194,963.63, 292,445.43 and 106,291.70
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Solution
The fourth proportional to 194,963.63, 292,445.43 and 106,291.70 is: 159,437.54
Step by Step Solution
- Step 1: Write the proportion equation
194,963.63 : 292,445.43 = 106,291.70 : x - Step 2: Convert to fraction form
194,963.63/292,445.43 = 106,291.70/x - Step 3: Cross multiply
194,963.63x = 292,445.43 × 106,291.70 - Step 4: Simplify right side
194,963.63x = 31,084,521,911.93 - Step 5: Solve for x
x = 31,084,521,911.93/194,963.63 - Step 6: Final answer
x = 159,437.54
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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.