Finding the Fourth Proportional to 254,804.99, 382,207.55 and 74,890.42
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Solution
The fourth proportional to 254,804.99, 382,207.55 and 74,890.42 is: 112,335.65
Step by Step Solution
- Step 1: Write the proportion equation
254,804.99 : 382,207.55 = 74,890.42 : x - Step 2: Convert to fraction form
254,804.99/382,207.55 = 74,890.42/x - Step 3: Cross multiply
254,804.99x = 382,207.55 × 74,890.42 - Step 4: Simplify right side
254,804.99x = 28,623,682,616.70 - Step 5: Solve for x
x = 28,623,682,616.70/254,804.99 - Step 6: Final answer
x = 112,335.65
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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.