Finding the Fourth Proportional to 364,828.74, 547,216.11 and 128,173.74
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Solution
The fourth proportional to 364,828.74, 547,216.11 and 128,173.74 is: 192,251.12
Step by Step Solution
- Step 1: Write the proportion equation
364,828.74 : 547,216.11 = 128,173.74 : x - Step 2: Convert to fraction form
364,828.74/547,216.11 = 128,173.74/x - Step 3: Cross multiply
364,828.74x = 547,216.11 × 128,173.74 - Step 4: Simplify right side
364,828.74x = 70,138,735,406.95 - Step 5: Solve for x
x = 70,138,735,406.95/364,828.74 - Step 6: Final answer
x = 192,251.12
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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.