Finding the Fourth Proportional to 177,149.20, 266,133.40 and 121,853.20
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Solution
The fourth proportional to 177,149.20, 266,133.40 and 121,853.20 is: 183,061.55
Step by Step Solution
- Step 1: Write the proportion equation
177,149.20 : 266,133.40 = 121,853.20 : x - Step 2: Convert to fraction form
177,149.20/266,133.40 = 121,853.20/x - Step 3: Cross multiply
177,149.20x = 266,133.40 × 121,853.20 - Step 4: Simplify right side
177,149.20x = 32,429,206,416.88 - Step 5: Solve for x
x = 32,429,206,416.88/177,149.20 - Step 6: Final answer
x = 183,061.55
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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.