Finding the Fourth Proportional to 211,693.76, 292,136.28 and 116,202.08
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Solution
The fourth proportional to 211,693.76, 292,136.28 and 116,202.08 is: 160,358.26
Step by Step Solution
- Step 1: Write the proportion equation
211,693.76 : 292,136.28 = 116,202.08 : x - Step 2: Convert to fraction form
211,693.76/292,136.28 = 116,202.08/x - Step 3: Cross multiply
211,693.76x = 292,136.28 × 116,202.08 - Step 4: Simplify right side
211,693.76x = 33,946,843,379.46 - Step 5: Solve for x
x = 33,946,843,379.46/211,693.76 - Step 6: Final answer
x = 160,358.26
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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.