Finding the Fourth Proportional to 574,139.67, 861,258.11 and 174,783.75
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Solution
The fourth proportional to 574,139.67, 861,258.11 and 174,783.75 is: 262,190.42
Step by Step Solution
- Step 1: Write the proportion equation
574,139.67 : 861,258.11 = 174,783.75 : x - Step 2: Convert to fraction form
574,139.67/861,258.11 = 174,783.75/x - Step 3: Cross multiply
574,139.67x = 861,258.11 × 174,783.75 - Step 4: Simplify right side
574,139.67x = 150,533,921,309.79 - Step 5: Solve for x
x = 150,533,921,309.79/574,139.67 - Step 6: Final answer
x = 262,190.42
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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.