Finding the Fourth Proportional to 193,220.16, 266,618.16 and 107,177.91
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Solution
The fourth proportional to 193,220.16, 266,618.16 and 107,177.91 is: 147,891.28
Step by Step Solution
- Step 1: Write the proportion equation
193,220.16 : 266,618.16 = 107,177.91 : x - Step 2: Convert to fraction form
193,220.16/266,618.16 = 107,177.91/x - Step 3: Cross multiply
193,220.16x = 266,618.16 × 107,177.91 - Step 4: Simplify right side
193,220.16x = 28,575,577,156.85 - Step 5: Solve for x
x = 28,575,577,156.85/193,220.16 - Step 6: Final answer
x = 147,891.28
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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.