Finding the Fourth Proportional to 424,574.12, 585,845.50 and 243,251.12
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Solution
The fourth proportional to 424,574.12, 585,845.50 and 243,251.12 is: 335,648.28
Step by Step Solution
- Step 1: Write the proportion equation
424,574.12 : 585,845.50 = 243,251.12 : x - Step 2: Convert to fraction form
424,574.12/585,845.50 = 243,251.12/x - Step 3: Cross multiply
424,574.12x = 585,845.50 × 243,251.12 - Step 4: Simplify right side
424,574.12x = 142,507,574,021.96 - Step 5: Solve for x
x = 142,507,574,021.96/424,574.12 - Step 6: Final answer
x = 335,648.28
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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.