Finding the Fourth Proportional to 364,711.02, 547,305.84 and 128,047.62
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Solution
The fourth proportional to 364,711.02, 547,305.84 and 128,047.62 is: 192,155.45
Step by Step Solution
- Step 1: Write the proportion equation
364,711.02 : 547,305.84 = 128,047.62 : x - Step 2: Convert to fraction form
364,711.02/547,305.84 = 128,047.62/x - Step 3: Cross multiply
364,711.02x = 547,305.84 × 128,047.62 - Step 4: Simplify right side
364,711.02x = 70,081,210,224.10 - Step 5: Solve for x
x = 70,081,210,224.10/364,711.02 - Step 6: Final answer
x = 192,155.45
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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.