Finding the Fourth Proportional to 341,572.20, 512,504.10 and 163,987.80
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Solution
The fourth proportional to 341,572.20, 512,504.10 and 163,987.80 is: 246,051.70
Step by Step Solution
- Step 1: Write the proportion equation
341,572.20 : 512,504.10 = 163,987.80 : x - Step 2: Convert to fraction form
341,572.20/512,504.10 = 163,987.80/x - Step 3: Cross multiply
341,572.20x = 512,504.10 × 163,987.80 - Step 4: Simplify right side
341,572.20x = 84,044,419,849.98 - Step 5: Solve for x
x = 84,044,419,849.98/341,572.20 - Step 6: Final answer
x = 246,051.70
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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.