Finding the Fourth Proportional to 372,369.84, 513,881.28 and 202,614.90
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Solution
The fourth proportional to 372,369.84, 513,881.28 and 202,614.90 is: 279,614.49
Step by Step Solution
- Step 1: Write the proportion equation
372,369.84 : 513,881.28 = 202,614.90 : x - Step 2: Convert to fraction form
372,369.84/513,881.28 = 202,614.90/x - Step 3: Cross multiply
372,369.84x = 513,881.28 × 202,614.90 - Step 4: Simplify right side
372,369.84x = 104,120,004,159.07 - Step 5: Solve for x
x = 104,120,004,159.07/372,369.84 - Step 6: Final answer
x = 279,614.49
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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.