Finding the Fourth Proportional to 705,391.50, 1,058,127.35 and 225,661.44
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Solution
The fourth proportional to 705,391.50, 1,058,127.35 and 225,661.44 is: 338,504.99
Step by Step Solution
- Step 1: Write the proportion equation
705,391.50 : 1,058,127.35 = 225,661.44 : x - Step 2: Convert to fraction form
705,391.50/1,058,127.35 = 225,661.44/x - Step 3: Cross multiply
705,391.50x = 1,058,127.35 × 225,661.44 - Step 4: Simplify right side
705,391.50x = 238,778,540,376.08 - Step 5: Solve for x
x = 238,778,540,376.08/705,391.50 - Step 6: Final answer
x = 338,504.99
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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.