Finding the Fourth Proportional to 149,527.67, 224,106.81 and 128,318.63
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Solution
The fourth proportional to 149,527.67, 224,106.81 and 128,318.63 is: 192,319.45
Step by Step Solution
- Step 1: Write the proportion equation
149,527.67 : 224,106.81 = 128,318.63 : x - Step 2: Convert to fraction form
149,527.67/224,106.81 = 128,318.63/x - Step 3: Cross multiply
149,527.67x = 224,106.81 × 128,318.63 - Step 4: Simplify right side
149,527.67x = 28,757,078,832.87 - Step 5: Solve for x
x = 28,757,078,832.87/149,527.67 - Step 6: Final answer
x = 192,319.45
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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.