Finding the Fourth Proportional to 211,304.08, 291,608.67 and 126,404.74
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Solution
The fourth proportional to 211,304.08, 291,608.67 and 126,404.74 is: 174,443.95
Step by Step Solution
- Step 1: Write the proportion equation
211,304.08 : 291,608.67 = 126,404.74 : x - Step 2: Convert to fraction form
211,304.08/291,608.67 = 126,404.74/x - Step 3: Cross multiply
211,304.08x = 291,608.67 × 126,404.74 - Step 4: Simplify right side
211,304.08x = 36,860,718,113.10 - Step 5: Solve for x
x = 36,860,718,113.10/211,304.08 - Step 6: Final answer
x = 174,443.95
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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.