Finding the Fourth Proportional to 447,378.24, 617,146.71 and 265,961.13
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Solution
The fourth proportional to 447,378.24, 617,146.71 and 265,961.13 is: 366,886.50
Step by Step Solution
- Step 1: Write the proportion equation
447,378.24 : 617,146.71 = 265,961.13 : x - Step 2: Convert to fraction form
447,378.24/617,146.71 = 265,961.13/x - Step 3: Cross multiply
447,378.24x = 617,146.71 × 265,961.13 - Step 4: Simplify right side
447,378.24x = 164,137,036,367.38 - Step 5: Solve for x
x = 164,137,036,367.38/447,378.24 - Step 6: Final answer
x = 366,886.50
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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.