Finding the Fourth Proportional to 211,325.16, 291,658.62 and 130,778.62
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Solution
The fourth proportional to 211,325.16, 291,658.62 and 130,778.62 is: 180,493.00
Step by Step Solution
- Step 1: Write the proportion equation
211,325.16 : 291,658.62 = 130,778.62 : x - Step 2: Convert to fraction form
211,325.16/291,658.62 = 130,778.62/x - Step 3: Cross multiply
211,325.16x = 291,658.62 × 130,778.62 - Step 4: Simplify right side
211,325.16x = 38,142,711,834.70 - Step 5: Solve for x
x = 38,142,711,834.70/211,325.16 - Step 6: Final answer
x = 180,493.00
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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.