Finding the Fourth Proportional to 149,915.80, 224,873.70 and 114,923.80
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Solution
The fourth proportional to 149,915.80, 224,873.70 and 114,923.80 is: 172,385.70
Step by Step Solution
- Step 1: Write the proportion equation
149,915.80 : 224,873.70 = 114,923.80 : x - Step 2: Convert to fraction form
149,915.80/224,873.70 = 114,923.80/x - Step 3: Cross multiply
149,915.80x = 224,873.70 × 114,923.80 - Step 4: Simplify right side
149,915.80x = 25,843,340,124.06 - Step 5: Solve for x
x = 25,843,340,124.06/149,915.80 - Step 6: Final answer
x = 172,385.70
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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.