Finding the Fourth Proportional to 447,120.23, 670,538.07 and 147,544.97
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Solution
The fourth proportional to 447,120.23, 670,538.07 and 147,544.97 is: 221,270.50
Step by Step Solution
- Step 1: Write the proportion equation
447,120.23 : 670,538.07 = 147,544.97 : x - Step 2: Convert to fraction form
447,120.23/670,538.07 = 147,544.97/x - Step 3: Cross multiply
447,120.23x = 670,538.07 × 147,544.97 - Step 4: Simplify right side
447,120.23x = 98,934,516,069.32 - Step 5: Solve for x
x = 98,934,516,069.32/447,120.23 - Step 6: Final answer
x = 221,270.50
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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.