Finding the Fourth Proportional to 372,031.36, 513,400.73 and 202,265.48
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Solution
The fourth proportional to 372,031.36, 513,400.73 and 202,265.48 is: 279,124.98
Step by Step Solution
- Step 1: Write the proportion equation
372,031.36 : 513,400.73 = 202,265.48 : x - Step 2: Convert to fraction form
372,031.36/513,400.73 = 202,265.48/x - Step 3: Cross multiply
372,031.36x = 513,400.73 × 202,265.48 - Step 4: Simplify right side
372,031.36x = 103,843,245,357.98 - Step 5: Solve for x
x = 103,843,245,357.98/372,031.36 - Step 6: Final answer
x = 279,124.98
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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.