Finding the Fourth Proportional to 494,879.80, 742,319.70 and 246,047.80
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Solution
The fourth proportional to 494,879.80, 742,319.70 and 246,047.80 is: 369,071.70
Step by Step Solution
- Step 1: Write the proportion equation
494,879.80 : 742,319.70 = 246,047.80 : x - Step 2: Convert to fraction form
494,879.80/742,319.70 = 246,047.80/x - Step 3: Cross multiply
494,879.80x = 742,319.70 × 246,047.80 - Step 4: Simplify right side
494,879.80x = 182,646,129,081.66 - Step 5: Solve for x
x = 182,646,129,081.66/494,879.80 - Step 6: Final answer
x = 369,071.70
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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.