Finding the Fourth Proportional to 399,565.88, 599,148.18 and 133,232.12
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Solution
The fourth proportional to 399,565.88, 599,148.18 and 133,232.12 is: 199,781.28
Step by Step Solution
- Step 1: Write the proportion equation
399,565.88 : 599,148.18 = 133,232.12 : x - Step 2: Convert to fraction form
399,565.88/599,148.18 = 133,232.12/x - Step 3: Cross multiply
399,565.88x = 599,148.18 × 133,232.12 - Step 4: Simplify right side
399,565.88x = 79,825,782,215.54 - Step 5: Solve for x
x = 79,825,782,215.54/399,565.88 - Step 6: Final answer
x = 199,781.28
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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.