Finding the Fourth Proportional to 255,934.97, 384,138.06 and 129,663.06
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Solution
The fourth proportional to 255,934.97, 384,138.06 and 129,663.06 is: 194,613.95
Step by Step Solution
- Step 1: Write the proportion equation
255,934.97 : 384,138.06 = 129,663.06 : x - Step 2: Convert to fraction form
255,934.97/384,138.06 = 129,663.06/x - Step 3: Cross multiply
255,934.97x = 384,138.06 × 129,663.06 - Step 4: Simplify right side
255,934.97x = 49,808,516,322.06 - Step 5: Solve for x
x = 49,808,516,322.06/255,934.97 - Step 6: Final answer
x = 194,613.95
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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.