Finding the Fourth Proportional to 405,548.10, 559,660.00 and 224,272.23
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Solution
The fourth proportional to 405,548.10, 559,660.00 and 224,272.23 is: 309,497.68
Step by Step Solution
- Step 1: Write the proportion equation
405,548.10 : 559,660.00 = 224,272.23 : x - Step 2: Convert to fraction form
405,548.10/559,660.00 = 224,272.23/x - Step 3: Cross multiply
405,548.10x = 559,660.00 × 224,272.23 - Step 4: Simplify right side
405,548.10x = 125,516,194,004.18 - Step 5: Solve for x
x = 125,516,194,004.18/405,548.10 - Step 6: Final answer
x = 309,497.68
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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.