Finding the Fourth Proportional to 412,346.24, 618,573.12 and 116,865.92
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Solution
The fourth proportional to 412,346.24, 618,573.12 and 116,865.92 is: 175,314.12
Step by Step Solution
- Step 1: Write the proportion equation
412,346.24 : 618,573.12 = 116,865.92 : x - Step 2: Convert to fraction form
412,346.24/618,573.12 = 116,865.92/x - Step 3: Cross multiply
412,346.24x = 618,573.12 × 116,865.92 - Step 4: Simplify right side
412,346.24x = 72,290,116,756.07 - Step 5: Solve for x
x = 72,290,116,756.07/412,346.24 - Step 6: Final answer
x = 175,314.12
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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.