Finding the Fourth Proportional to 372,006.24, 513,408.72 and 210,843.99
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Solution
The fourth proportional to 372,006.24, 513,408.72 and 210,843.99 is: 290,987.44
Step by Step Solution
- Step 1: Write the proportion equation
372,006.24 : 513,408.72 = 210,843.99 : x - Step 2: Convert to fraction form
372,006.24/513,408.72 = 210,843.99/x - Step 3: Cross multiply
372,006.24x = 513,408.72 × 210,843.99 - Step 4: Simplify right side
372,006.24x = 108,249,143,025.59 - Step 5: Solve for x
x = 108,249,143,025.59/372,006.24 - Step 6: Final answer
x = 290,987.44
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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.