Finding the Fourth Proportional to 371,187.68, 512,240.34 and 201,421.80
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Solution
The fourth proportional to 371,187.68, 512,240.34 and 201,421.80 is: 277,962.82
Step by Step Solution
- Step 1: Write the proportion equation
371,187.68 : 512,240.34 = 201,421.80 : x - Step 2: Convert to fraction form
371,187.68/512,240.34 = 201,421.80/x - Step 3: Cross multiply
371,187.68x = 512,240.34 × 201,421.80 - Step 4: Simplify right side
371,187.68x = 103,176,371,315.41 - Step 5: Solve for x
x = 103,176,371,315.41/371,187.68 - Step 6: Final answer
x = 277,962.82
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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.