Finding the Fourth Proportional to 319,759.74, 441,269.39 and 174,565.75
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Solution
The fourth proportional to 319,759.74, 441,269.39 and 174,565.75 is: 240,901.25
Step by Step Solution
- Step 1: Write the proportion equation
319,759.74 : 441,269.39 = 174,565.75 : x - Step 2: Convert to fraction form
319,759.74/441,269.39 = 174,565.75/x - Step 3: Cross multiply
319,759.74x = 441,269.39 × 174,565.75 - Step 4: Simplify right side
319,759.74x = 77,030,519,811.05 - Step 5: Solve for x
x = 77,030,519,811.05/319,759.74 - Step 6: Final answer
x = 240,901.25
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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.