Finding the Fourth Proportional to 636,971.76, 955,605.26 and 216,247.62
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Solution
The fourth proportional to 636,971.76, 955,605.26 and 216,247.62 is: 324,421.55
Step by Step Solution
- Step 1: Write the proportion equation
636,971.76 : 955,605.26 = 216,247.62 : x - Step 2: Convert to fraction form
636,971.76/955,605.26 = 216,247.62/x - Step 3: Cross multiply
636,971.76x = 955,605.26 × 216,247.62 - Step 4: Simplify right side
636,971.76x = 206,647,363,134.48 - Step 5: Solve for x
x = 206,647,363,134.48/636,971.76 - Step 6: Final answer
x = 324,421.55
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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.