Finding the Fourth Proportional to 371,289.17, 512,365.34 and 201,519.65
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Solution
The fourth proportional to 371,289.17, 512,365.34 and 201,519.65 is: 278,089.67
Step by Step Solution
- Step 1: Write the proportion equation
371,289.17 : 512,365.34 = 201,519.65 : x - Step 2: Convert to fraction form
371,289.17/512,365.34 = 201,519.65/x - Step 3: Cross multiply
371,289.17x = 512,365.34 × 201,519.65 - Step 4: Simplify right side
371,289.17x = 103,251,680,419.51 - Step 5: Solve for x
x = 103,251,680,419.51/371,289.17 - Step 6: Final answer
x = 278,089.67
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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.