Finding the Fourth Proportional to 351,469.08, 485,029.62 and 190,324.14
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Solution
The fourth proportional to 351,469.08, 485,029.62 and 190,324.14 is: 262,648.55
Step by Step Solution
- Step 1: Write the proportion equation
351,469.08 : 485,029.62 = 190,324.14 : x - Step 2: Convert to fraction form
351,469.08/485,029.62 = 190,324.14/x - Step 3: Cross multiply
351,469.08x = 485,029.62 × 190,324.14 - Step 4: Simplify right side
351,469.08x = 92,312,845,301.03 - Step 5: Solve for x
x = 92,312,845,301.03/351,469.08 - Step 6: Final answer
x = 262,648.55
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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.