Finding the Fourth Proportional to 211,675.34, 292,157.16 and 126,841.70
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Solution
The fourth proportional to 211,675.34, 292,157.16 and 126,841.70 is: 175,068.63
Step by Step Solution
- Step 1: Write the proportion equation
211,675.34 : 292,157.16 = 126,841.70 : x - Step 2: Convert to fraction form
211,675.34/292,157.16 = 126,841.70/x - Step 3: Cross multiply
211,675.34x = 292,157.16 × 126,841.70 - Step 4: Simplify right side
211,675.34x = 37,057,710,841.57 - Step 5: Solve for x
x = 37,057,710,841.57/211,675.34 - Step 6: Final answer
x = 175,068.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.