Finding the Fourth Proportional to 325,210.68, 487,955.61 and 125,671.23
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Solution
The fourth proportional to 325,210.68, 487,955.61 and 125,671.23 is: 188,560.79
Step by Step Solution
- Step 1: Write the proportion equation
325,210.68 : 487,955.61 = 125,671.23 : x - Step 2: Convert to fraction form
325,210.68/487,955.61 = 125,671.23/x - Step 3: Cross multiply
325,210.68x = 487,955.61 × 125,671.23 - Step 4: Simplify right side
325,210.68x = 61,321,981,694.10 - Step 5: Solve for x
x = 61,321,981,694.10/325,210.68 - Step 6: Final answer
x = 188,560.79
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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.