Finding the Fourth Proportional to 211,778.48, 292,257.72 and 116,294
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Solution
The fourth proportional to 211,778.48, 292,257.72 and 116,294 is: 160,487.60
Step by Step Solution
- Step 1: Write the proportion equation
211,778.48 : 292,257.72 = 116,294 : x - Step 2: Convert to fraction form
211,778.48/292,257.72 = 116,294/x - Step 3: Cross multiply
211,778.48x = 292,257.72 × 116,294 - Step 4: Simplify right side
211,778.48x = 33,987,819,289.68 - Step 5: Solve for x
x = 33,987,819,289.68/211,778.48 - Step 6: Final answer
x = 160,487.60
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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.