Finding the Fourth Proportional to 412,058.72, 617,960.91 and 145,757.99
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Solution
The fourth proportional to 412,058.72, 617,960.91 and 145,757.99 is: 218,592.00
Step by Step Solution
- Step 1: Write the proportion equation
412,058.72 : 617,960.91 = 145,757.99 : x - Step 2: Convert to fraction form
412,058.72/617,960.91 = 145,757.99/x - Step 3: Cross multiply
412,058.72x = 617,960.91 × 145,757.99 - Step 4: Simplify right side
412,058.72x = 90,072,740,140.17 - Step 5: Solve for x
x = 90,072,740,140.17/412,058.72 - Step 6: Final answer
x = 218,592.00
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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.