Finding the Fourth Proportional to 239,151.99, 358,778.58 and 79,218.87
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Solution
The fourth proportional to 239,151.99, 358,778.58 and 79,218.87 is: 118,845.06
Step by Step Solution
- Step 1: Write the proportion equation
239,151.99 : 358,778.58 = 79,218.87 : x - Step 2: Convert to fraction form
239,151.99/358,778.58 = 79,218.87/x - Step 3: Cross multiply
239,151.99x = 358,778.58 × 79,218.87 - Step 4: Simplify right side
239,151.99x = 28,422,033,687.80 - Step 5: Solve for x
x = 28,422,033,687.80/239,151.99 - Step 6: Final answer
x = 118,845.06
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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.