Finding the Fourth Proportional to 316,183.44, 474,240.23 and 79,526.21
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Solution
The fourth proportional to 316,183.44, 474,240.23 and 79,526.21 is: 119,280.53
Step by Step Solution
- Step 1: Write the proportion equation
316,183.44 : 474,240.23 = 79,526.21 : x - Step 2: Convert to fraction form
316,183.44/474,240.23 = 79,526.21/x - Step 3: Cross multiply
316,183.44x = 474,240.23 × 79,526.21 - Step 4: Simplify right side
316,183.44x = 37,714,527,723.80 - Step 5: Solve for x
x = 37,714,527,723.80/316,183.44 - Step 6: Final answer
x = 119,280.53
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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.