Finding the Fourth Proportional to 256,017.95, 383,908.07 and 149,432.68
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Solution
The fourth proportional to 256,017.95, 383,908.07 and 149,432.68 is: 224,079.65
Step by Step Solution
- Step 1: Write the proportion equation
256,017.95 : 383,908.07 = 149,432.68 : x - Step 2: Convert to fraction form
256,017.95/383,908.07 = 149,432.68/x - Step 3: Cross multiply
256,017.95x = 383,908.07 × 149,432.68 - Step 4: Simplify right side
256,017.95x = 57,368,412,627.19 - Step 5: Solve for x
x = 57,368,412,627.19/256,017.95 - Step 6: Final answer
x = 224,079.65
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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.