Finding the Fourth Proportional to 515,465.70, 773,220.42 and 160,486.44
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Solution
The fourth proportional to 515,465.70, 773,220.42 and 160,486.44 is: 240,736.47
Step by Step Solution
- Step 1: Write the proportion equation
515,465.70 : 773,220.42 = 160,486.44 : x - Step 2: Convert to fraction form
515,465.70/773,220.42 = 160,486.44/x - Step 3: Cross multiply
515,465.70x = 773,220.42 × 160,486.44 - Step 4: Simplify right side
515,465.70x = 124,091,392,541.11 - Step 5: Solve for x
x = 124,091,392,541.11/515,465.70 - Step 6: Final answer
x = 240,736.47
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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.