Finding the Fourth Proportional to 342,223.41, 513,058.29 and 209,058.75
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Solution
The fourth proportional to 342,223.41, 513,058.29 and 209,058.75 is: 313,419.02
Step by Step Solution
- Step 1: Write the proportion equation
342,223.41 : 513,058.29 = 209,058.75 : x - Step 2: Convert to fraction form
342,223.41/513,058.29 = 209,058.75/x - Step 3: Cross multiply
342,223.41x = 513,058.29 × 209,058.75 - Step 4: Simplify right side
342,223.41x = 107,259,324,784.54 - Step 5: Solve for x
x = 107,259,324,784.54/342,223.41 - Step 6: Final answer
x = 313,419.02
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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.