Finding the Fourth Proportional to 438,684.66, 658,026.99 and 158,201.91
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Solution
The fourth proportional to 438,684.66, 658,026.99 and 158,201.91 is: 237,302.87
Step by Step Solution
- Step 1: Write the proportion equation
438,684.66 : 658,026.99 = 158,201.91 : x - Step 2: Convert to fraction form
438,684.66/658,026.99 = 158,201.91/x - Step 3: Cross multiply
438,684.66x = 658,026.99 × 158,201.91 - Step 4: Simplify right side
438,684.66x = 104,101,126,649.55 - Step 5: Solve for x
x = 104,101,126,649.55/438,684.66 - Step 6: Final answer
x = 237,302.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.