Finding the Fourth Proportional to 372,337.68, 513,838.80 and 202,578.24
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Solution
The fourth proportional to 372,337.68, 513,838.80 and 202,578.24 is: 279,564.94
Step by Step Solution
- Step 1: Write the proportion equation
372,337.68 : 513,838.80 = 202,578.24 : x - Step 2: Convert to fraction form
372,337.68/513,838.80 = 202,578.24/x - Step 3: Cross multiply
372,337.68x = 513,838.80 × 202,578.24 - Step 4: Simplify right side
372,337.68x = 104,092,559,747.71 - Step 5: Solve for x
x = 104,092,559,747.71/372,337.68 - Step 6: Final answer
x = 279,564.94
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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.