Finding the Fourth Proportional to 371,801.52, 513,088.92 and 202,036.56
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Solution
The fourth proportional to 371,801.52, 513,088.92 and 202,036.56 is: 278,811.99
Step by Step Solution
- Step 1: Write the proportion equation
371,801.52 : 513,088.92 = 202,036.56 : x - Step 2: Convert to fraction form
371,801.52/513,088.92 = 202,036.56/x - Step 3: Cross multiply
371,801.52x = 513,088.92 × 202,036.56 - Step 4: Simplify right side
371,801.52x = 103,662,720,370.92 - Step 5: Solve for x
x = 103,662,720,370.92/371,801.52 - Step 6: Final answer
x = 278,811.99
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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.