Finding the Fourth Proportional to 457,491.18, 686,424.96 and 201,191.84
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Solution
The fourth proportional to 457,491.18, 686,424.96 and 201,191.84 is: 301,870.52
Step by Step Solution
- Step 1: Write the proportion equation
457,491.18 : 686,424.96 = 201,191.84 : x - Step 2: Convert to fraction form
457,491.18/686,424.96 = 201,191.84/x - Step 3: Cross multiply
457,491.18x = 686,424.96 × 201,191.84 - Step 4: Simplify right side
457,491.18x = 138,103,100,724.33 - Step 5: Solve for x
x = 138,103,100,724.33/457,491.18 - Step 6: Final answer
x = 301,870.52
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1.5x scale
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.