Finding the Fourth Proportional to 378,487.97, 567,719.59 and 153,781.95
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Solution
The fourth proportional to 378,487.97, 567,719.59 and 153,781.95 is: 230,667.90
Step by Step Solution
- Step 1: Write the proportion equation
378,487.97 : 567,719.59 = 153,781.95 : x - Step 2: Convert to fraction form
378,487.97/567,719.59 = 153,781.95/x - Step 3: Cross multiply
378,487.97x = 567,719.59 × 153,781.95 - Step 4: Simplify right side
378,487.97x = 87,305,025,603.40 - Step 5: Solve for x
x = 87,305,025,603.40/378,487.97 - Step 6: Final answer
x = 230,667.90
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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.