Finding the Fourth Proportional to 149,571.04, 224,169.46 and 74,712.08
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Solution
The fourth proportional to 149,571.04, 224,169.46 and 74,712.08 is: 111,974.66
Step by Step Solution
- Step 1: Write the proportion equation
149,571.04 : 224,169.46 = 74,712.08 : x - Step 2: Convert to fraction form
149,571.04/224,169.46 = 74,712.08/x - Step 3: Cross multiply
149,571.04x = 224,169.46 × 74,712.08 - Step 4: Simplify right side
149,571.04x = 16,748,166,629.08 - Step 5: Solve for x
x = 16,748,166,629.08/149,571.04 - Step 6: Final answer
x = 111,974.66
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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.