Finding the Fourth Proportional to 282,496.74, 423,745.80 and 69,265.59
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Solution
The fourth proportional to 282,496.74, 423,745.80 and 69,265.59 is: 103,898.55
Step by Step Solution
- Step 1: Write the proportion equation
282,496.74 : 423,745.80 = 69,265.59 : x - Step 2: Convert to fraction form
282,496.74/423,745.80 = 69,265.59/x - Step 3: Cross multiply
282,496.74x = 423,745.80 × 69,265.59 - Step 4: Simplify right side
282,496.74x = 29,351,002,847.02 - Step 5: Solve for x
x = 29,351,002,847.02/282,496.74 - Step 6: Final answer
x = 103,898.55
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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.