Finding the Fourth Proportional to 176,394.80, 263,944.20 and 129,738.80
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Solution
The fourth proportional to 176,394.80, 263,944.20 and 129,738.80 is: 194,131.59
Step by Step Solution
- Step 1: Write the proportion equation
176,394.80 : 263,944.20 = 129,738.80 : x - Step 2: Convert to fraction form
176,394.80/263,944.20 = 129,738.80/x - Step 3: Cross multiply
176,394.80x = 263,944.20 × 129,738.80 - Step 4: Simplify right side
176,394.80x = 34,243,803,774.96 - Step 5: Solve for x
x = 34,243,803,774.96/176,394.80 - Step 6: Final answer
x = 194,131.59
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1.5x scale
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.