Finding the Fourth Proportional to 247,853.99, 342,037.84 and 134,676.74
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Solution
The fourth proportional to 247,853.99, 342,037.84 and 134,676.74 is: 185,853.54
Step by Step Solution
- Step 1: Write the proportion equation
247,853.99 : 342,037.84 = 134,676.74 : x - Step 2: Convert to fraction form
247,853.99/342,037.84 = 134,676.74/x - Step 3: Cross multiply
247,853.99x = 342,037.84 × 134,676.74 - Step 4: Simplify right side
247,853.99x = 46,064,541,247.84 - Step 5: Solve for x
x = 46,064,541,247.84/247,853.99 - Step 6: Final answer
x = 185,853.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.