Finding the Fourth Proportional to 424,842.86, 637,202.79 and 125,308.64
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Solution
The fourth proportional to 424,842.86, 637,202.79 and 125,308.64 is: 187,944.82
Step by Step Solution
- Step 1: Write the proportion equation
424,842.86 : 637,202.79 = 125,308.64 : x - Step 2: Convert to fraction form
424,842.86/637,202.79 = 125,308.64/x - Step 3: Cross multiply
424,842.86x = 637,202.79 × 125,308.64 - Step 4: Simplify right side
424,842.86x = 79,847,011,833.09 - Step 5: Solve for x
x = 79,847,011,833.09/424,842.86 - Step 6: Final answer
x = 187,944.82
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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.