Finding the Fourth Proportional to 276,829.13, 382,024.17 and 149,504.70
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Solution
The fourth proportional to 276,829.13, 382,024.17 and 149,504.70 is: 206,316.47
Step by Step Solution
- Step 1: Write the proportion equation
276,829.13 : 382,024.17 = 149,504.70 : x - Step 2: Convert to fraction form
276,829.13/382,024.17 = 149,504.70/x - Step 3: Cross multiply
276,829.13x = 382,024.17 × 149,504.70 - Step 4: Simplify right side
276,829.13x = 57,114,408,928.60 - Step 5: Solve for x
x = 57,114,408,928.60/276,829.13 - Step 6: Final answer
x = 206,316.47
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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.