Finding the Fourth Proportional to 254,748.24, 382,176.36 and 86,260.41
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Solution
The fourth proportional to 254,748.24, 382,176.36 and 86,260.41 is: 129,408.90
Step by Step Solution
- Step 1: Write the proportion equation
254,748.24 : 382,176.36 = 86,260.41 : x - Step 2: Convert to fraction form
254,748.24/382,176.36 = 86,260.41/x - Step 3: Cross multiply
254,748.24x = 382,176.36 × 86,260.41 - Step 4: Simplify right side
254,748.24x = 32,966,689,505.91 - Step 5: Solve for x
x = 32,966,689,505.91/254,748.24 - Step 6: Final answer
x = 129,408.90
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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.