Finding the Fourth Proportional to 177,423.40, 266,135.10 and 72,317.80
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Solution
The fourth proportional to 177,423.40, 266,135.10 and 72,317.80 is: 108,476.70
Step by Step Solution
- Step 1: Write the proportion equation
177,423.40 : 266,135.10 = 72,317.80 : x - Step 2: Convert to fraction form
177,423.40/266,135.10 = 72,317.80/x - Step 3: Cross multiply
177,423.40x = 266,135.10 × 72,317.80 - Step 4: Simplify right side
177,423.40x = 19,246,304,934.78 - Step 5: Solve for x
x = 19,246,304,934.78/177,423.40 - Step 6: Final answer
x = 108,476.70
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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.