Finding the Fourth Proportional to 358,491.60, 537,737.40 and 201,027.60
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Solution
The fourth proportional to 358,491.60, 537,737.40 and 201,027.60 is: 301,541.40
Step by Step Solution
- Step 1: Write the proportion equation
358,491.60 : 537,737.40 = 201,027.60 : x - Step 2: Convert to fraction form
358,491.60/537,737.40 = 201,027.60/x - Step 3: Cross multiply
358,491.60x = 537,737.40 × 201,027.60 - Step 4: Simplify right side
358,491.60x = 108,100,058,952.24 - Step 5: Solve for x
x = 108,100,058,952.24/358,491.60 - Step 6: Final answer
x = 301,541.40
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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.