Finding the Fourth Proportional to 292,515.40, 438,846.99 and 134,854.57
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Solution
The fourth proportional to 292,515.40, 438,846.99 and 134,854.57 is: 202,315.92
Step by Step Solution
- Step 1: Write the proportion equation
292,515.40 : 438,846.99 = 134,854.57 : x - Step 2: Convert to fraction form
292,515.40/438,846.99 = 134,854.57/x - Step 3: Cross multiply
292,515.40x = 438,846.99 × 134,854.57 - Step 4: Simplify right side
292,515.40x = 59,180,522,132.24 - Step 5: Solve for x
x = 59,180,522,132.24/292,515.40 - Step 6: Final answer
x = 202,315.92
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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.