Finding the Fourth Proportional to 177,207.40, 265,811.10 and 144,029.80
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Solution
The fourth proportional to 177,207.40, 265,811.10 and 144,029.80 is: 216,044.70
Step by Step Solution
- Step 1: Write the proportion equation
177,207.40 : 265,811.10 = 144,029.80 : x - Step 2: Convert to fraction form
177,207.40/265,811.10 = 144,029.80/x - Step 3: Cross multiply
177,207.40x = 265,811.10 × 144,029.80 - Step 4: Simplify right side
177,207.40x = 38,284,719,570.78 - Step 5: Solve for x
x = 38,284,719,570.78/177,207.40 - Step 6: Final answer
x = 216,044.70
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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.