Finding the Fourth Proportional to 519,865.81, 779,873.09 and 160,067.09
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Solution
The fourth proportional to 519,865.81, 779,873.09 and 160,067.09 is: 240,123.54
Step by Step Solution
- Step 1: Write the proportion equation
519,865.81 : 779,873.09 = 160,067.09 : x - Step 2: Convert to fraction form
519,865.81/779,873.09 = 160,067.09/x - Step 3: Cross multiply
519,865.81x = 779,873.09 × 160,067.09 - Step 4: Simplify right side
519,865.81x = 124,832,017,234.96 - Step 5: Solve for x
x = 124,832,017,234.96/519,865.81 - Step 6: Final answer
x = 240,123.54
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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.