Finding the Fourth Proportional to 375,677.91, 518,358.87 and 222,648.75
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Solution
The fourth proportional to 375,677.91, 518,358.87 and 222,648.75 is: 307,209.85
Step by Step Solution
- Step 1: Write the proportion equation
375,677.91 : 518,358.87 = 222,648.75 : x - Step 2: Convert to fraction form
375,677.91/518,358.87 = 222,648.75/x - Step 3: Cross multiply
375,677.91x = 518,358.87 × 222,648.75 - Step 4: Simplify right side
375,677.91x = 115,411,954,456.91 - Step 5: Solve for x
x = 115,411,954,456.91/375,677.91 - Step 6: Final answer
x = 307,209.85
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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.