Finding the Fourth Proportional to 381,347.20, 572,377.56 and 201,566.06
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Solution
The fourth proportional to 381,347.20, 572,377.56 and 201,566.06 is: 302,537.66
Step by Step Solution
- Step 1: Write the proportion equation
381,347.20 : 572,377.56 = 201,566.06 : x - Step 2: Convert to fraction form
381,347.20/572,377.56 = 201,566.06/x - Step 3: Cross multiply
381,347.20x = 572,377.56 × 201,566.06 - Step 4: Simplify right side
381,347.20x = 115,371,889,601.61 - Step 5: Solve for x
x = 115,371,889,601.61/381,347.20 - Step 6: Final answer
x = 302,537.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.