Finding the Fourth Proportional to 372,006.24, 513,408.69 and 210,843.96
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Solution
The fourth proportional to 372,006.24, 513,408.69 and 210,843.96 is: 290,987.38
Step by Step Solution
- Step 1: Write the proportion equation
372,006.24 : 513,408.69 = 210,843.96 : x - Step 2: Convert to fraction form
372,006.24/513,408.69 = 210,843.96/x - Step 3: Cross multiply
372,006.24x = 513,408.69 × 210,843.96 - Step 4: Simplify right side
372,006.24x = 108,249,121,298.01 - Step 5: Solve for x
x = 108,249,121,298.01/372,006.24 - Step 6: Final answer
x = 290,987.38
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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.