Finding the Fourth Proportional to 424,399.02, 636,878.97 and 199,823.67
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Solution
The fourth proportional to 424,399.02, 636,878.97 and 199,823.67 is: 299,867.55
Step by Step Solution
- Step 1: Write the proportion equation
424,399.02 : 636,878.97 = 199,823.67 : x - Step 2: Convert to fraction form
424,399.02/636,878.97 = 199,823.67/x - Step 3: Cross multiply
424,399.02x = 636,878.97 × 199,823.67 - Step 4: Simplify right side
424,399.02x = 127,263,493,131.22 - Step 5: Solve for x
x = 127,263,493,131.22/424,399.02 - Step 6: Final answer
x = 299,867.55
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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.