Finding the Fourth Proportional to 149,529.67, 224,109.81 and 128,320.63
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Solution
The fourth proportional to 149,529.67, 224,109.81 and 128,320.63 is: 192,322.45
Step by Step Solution
- Step 1: Write the proportion equation
149,529.67 : 224,109.81 = 128,320.63 : x - Step 2: Convert to fraction form
149,529.67/224,109.81 = 128,320.63/x - Step 3: Cross multiply
149,529.67x = 224,109.81 × 128,320.63 - Step 4: Simplify right side
149,529.67x = 28,757,912,008.38 - Step 5: Solve for x
x = 28,757,912,008.38/149,529.67 - Step 6: Final answer
x = 192,322.45
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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.