Finding the Fourth Proportional to 149,629.20, 224,340.12 and 56,109.84
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Solution
The fourth proportional to 149,629.20, 224,340.12 and 56,109.84 is: 84,125.88
Step by Step Solution
- Step 1: Write the proportion equation
149,629.20 : 224,340.12 = 56,109.84 : x - Step 2: Convert to fraction form
149,629.20/224,340.12 = 56,109.84/x - Step 3: Cross multiply
149,629.20x = 224,340.12 × 56,109.84 - Step 4: Simplify right side
149,629.20x = 12,587,688,238.78 - Step 5: Solve for x
x = 12,587,688,238.78/149,629.20 - Step 6: Final answer
x = 84,125.88
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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.