Finding the Fourth Proportional to 415,779.53, 573,777.14 and 224,794.31
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Solution
The fourth proportional to 415,779.53, 573,777.14 and 224,794.31 is: 310,216.89
Step by Step Solution
- Step 1: Write the proportion equation
415,779.53 : 573,777.14 = 224,794.31 : x - Step 2: Convert to fraction form
415,779.53/573,777.14 = 224,794.31/x - Step 3: Cross multiply
415,779.53x = 573,777.14 × 224,794.31 - Step 4: Simplify right side
415,779.53x = 128,981,832,287.22 - Step 5: Solve for x
x = 128,981,832,287.22/415,779.53 - Step 6: Final answer
x = 310,216.89
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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.