Finding the Fourth Proportional to 176,407.80, 263,963.70 and 129,751.80
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Solution
The fourth proportional to 176,407.80, 263,963.70 and 129,751.80 is: 194,151.08
Step by Step Solution
- Step 1: Write the proportion equation
176,407.80 : 263,963.70 = 129,751.80 : x - Step 2: Convert to fraction form
176,407.80/263,963.70 = 129,751.80/x - Step 3: Cross multiply
176,407.80x = 263,963.70 × 129,751.80 - Step 4: Simplify right side
176,407.80x = 34,249,765,209.66 - Step 5: Solve for x
x = 34,249,765,209.66/176,407.80 - Step 6: Final answer
x = 194,151.08
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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.