Finding the Fourth Proportional to 415,996.77, 574,026.18 and 234,698.12
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Solution
The fourth proportional to 415,996.77, 574,026.18 and 234,698.12 is: 323,855.55
Step by Step Solution
- Step 1: Write the proportion equation
415,996.77 : 574,026.18 = 234,698.12 : x - Step 2: Convert to fraction form
415,996.77/574,026.18 = 234,698.12/x - Step 3: Cross multiply
415,996.77x = 574,026.18 × 234,698.12 - Step 4: Simplify right side
415,996.77x = 134,722,863,679.13 - Step 5: Solve for x
x = 134,722,863,679.13/415,996.77 - Step 6: Final answer
x = 323,855.55
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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.