Finding the Fourth Proportional to 192,904.14, 266,277.57 and 157,031.88
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Solution
The fourth proportional to 192,904.14, 266,277.57 and 157,031.88 is: 216,760.86
Step by Step Solution
- Step 1: Write the proportion equation
192,904.14 : 266,277.57 = 157,031.88 : x - Step 2: Convert to fraction form
192,904.14/266,277.57 = 157,031.88/x - Step 3: Cross multiply
192,904.14x = 266,277.57 × 157,031.88 - Step 4: Simplify right side
192,904.14x = 41,814,067,418.93 - Step 5: Solve for x
x = 41,814,067,418.93/192,904.14 - Step 6: Final answer
x = 216,760.86
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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.