Finding the Fourth Proportional to 211,324.16, 291,657.24 and 130,777.62
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Solution
The fourth proportional to 211,324.16, 291,657.24 and 130,777.62 is: 180,491.62
Step by Step Solution
- Step 1: Write the proportion equation
211,324.16 : 291,657.24 = 130,777.62 : x - Step 2: Convert to fraction form
211,324.16/291,657.24 = 130,777.62/x - Step 3: Cross multiply
211,324.16x = 291,657.24 × 130,777.62 - Step 4: Simplify right side
211,324.16x = 38,142,239,376.02 - Step 5: Solve for x
x = 38,142,239,376.02/211,324.16 - Step 6: Final answer
x = 180,491.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.