Finding the Fourth Proportional to 427,424.91, 589,794.99 and 246,195.78
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Solution
The fourth proportional to 427,424.91, 589,794.99 and 246,195.78 is: 339,720.58
Step by Step Solution
- Step 1: Write the proportion equation
427,424.91 : 589,794.99 = 246,195.78 : x - Step 2: Convert to fraction form
427,424.91/589,794.99 = 246,195.78/x - Step 3: Cross multiply
427,424.91x = 589,794.99 × 246,195.78 - Step 4: Simplify right side
427,424.91x = 145,205,037,603.14 - Step 5: Solve for x
x = 145,205,037,603.14/427,424.91 - Step 6: Final answer
x = 339,720.58
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1.5x scale
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.