Finding the Fourth Proportional to 251,865.10, 377,560.12 and 125,385.63
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Solution
The fourth proportional to 251,865.10, 377,560.12 and 125,385.63 is: 187,960.20
Step by Step Solution
- Step 1: Write the proportion equation
251,865.10 : 377,560.12 = 125,385.63 : x - Step 2: Convert to fraction form
251,865.10/377,560.12 = 125,385.63/x - Step 3: Cross multiply
251,865.10x = 377,560.12 × 125,385.63 - Step 4: Simplify right side
251,865.10x = 47,340,613,509.08 - Step 5: Solve for x
x = 47,340,613,509.08/251,865.10 - Step 6: Final answer
x = 187,960.20
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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.