Finding the Fourth Proportional to 330,224.49, 455,711.58 and 187,012.44
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Solution
The fourth proportional to 330,224.49, 455,711.58 and 187,012.44 is: 258,078.18
Step by Step Solution
- Step 1: Write the proportion equation
330,224.49 : 455,711.58 = 187,012.44 : x - Step 2: Convert to fraction form
330,224.49/455,711.58 = 187,012.44/x - Step 3: Cross multiply
330,224.49x = 455,711.58 × 187,012.44 - Step 4: Simplify right side
330,224.49x = 85,223,734,512.06 - Step 5: Solve for x
x = 85,223,734,512.06/330,224.49 - Step 6: Final answer
x = 258,078.18
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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.