Finding the Fourth Proportional to 211,204.62, 291,466.62 and 130,630.68
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Solution
The fourth proportional to 211,204.62, 291,466.62 and 130,630.68 is: 180,272.96
Step by Step Solution
- Step 1: Write the proportion equation
211,204.62 : 291,466.62 = 130,630.68 : x - Step 2: Convert to fraction form
211,204.62/291,466.62 = 130,630.68/x - Step 3: Cross multiply
211,204.62x = 291,466.62 × 130,630.68 - Step 4: Simplify right side
211,204.62x = 38,074,482,767.90 - Step 5: Solve for x
x = 38,074,482,767.90/211,204.62 - Step 6: Final answer
x = 180,272.96
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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.