Finding the Fourth Proportional to 621,823.26, 932,735.34 and 172,544.58
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Solution
The fourth proportional to 621,823.26, 932,735.34 and 172,544.58 is: 258,816.99
Step by Step Solution
- Step 1: Write the proportion equation
621,823.26 : 932,735.34 = 172,544.58 : x - Step 2: Convert to fraction form
621,823.26/932,735.34 = 172,544.58/x - Step 3: Cross multiply
621,823.26x = 932,735.34 × 172,544.58 - Step 4: Simplify right side
621,823.26x = 160,938,427,491.46 - Step 5: Solve for x
x = 160,938,427,491.46/621,823.26 - Step 6: Final answer
x = 258,816.99
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1.5x scale
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.