Finding the Fourth Proportional to 211,392.55, 291,680.63 and 125,335.63
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Solution
The fourth proportional to 211,392.55, 291,680.63 and 125,335.63 is: 172,938.80
Step by Step Solution
- Step 1: Write the proportion equation
211,392.55 : 291,680.63 = 125,335.63 : x - Step 2: Convert to fraction form
211,392.55/291,680.63 = 125,335.63/x - Step 3: Cross multiply
211,392.55x = 291,680.63 × 125,335.63 - Step 4: Simplify right side
211,392.55x = 36,557,974,061.44 - Step 5: Solve for x
x = 36,557,974,061.44/211,392.55 - Step 6: Final answer
x = 172,938.80
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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.