Finding the Fourth Proportional to 372,177.09, 513,721.40 and 219,204.95
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Solution
The fourth proportional to 372,177.09, 513,721.40 and 219,204.95 is: 302,571.74
Step by Step Solution
- Step 1: Write the proportion equation
372,177.09 : 513,721.40 = 219,204.95 : x - Step 2: Convert to fraction form
372,177.09/513,721.40 = 219,204.95/x - Step 3: Cross multiply
372,177.09x = 513,721.40 × 219,204.95 - Step 4: Simplify right side
372,177.09x = 112,610,270,136.30 - Step 5: Solve for x
x = 112,610,270,136.30/372,177.09 - Step 6: Final answer
x = 302,571.74
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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.