Finding the Fourth Proportional to 370,879.80, 556,319.70 and 246,220.80
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Solution
The fourth proportional to 370,879.80, 556,319.70 and 246,220.80 is: 369,331.20
Step by Step Solution
- Step 1: Write the proportion equation
370,879.80 : 556,319.70 = 246,220.80 : x - Step 2: Convert to fraction form
370,879.80/556,319.70 = 246,220.80/x - Step 3: Cross multiply
370,879.80x = 556,319.70 × 246,220.80 - Step 4: Simplify right side
370,879.80x = 136,977,481,589.76 - Step 5: Solve for x
x = 136,977,481,589.76/370,879.80 - Step 6: Final answer
x = 369,331.20
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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.