Finding the Fourth Proportional to 399,430.76, 599,331.36 and 174,761.57
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Solution
The fourth proportional to 399,430.76, 599,331.36 and 174,761.57 is: 262,223.39
Step by Step Solution
- Step 1: Write the proportion equation
399,430.76 : 599,331.36 = 174,761.57 : x - Step 2: Convert to fraction form
399,430.76/599,331.36 = 174,761.57/x - Step 3: Cross multiply
399,430.76x = 599,331.36 × 174,761.57 - Step 4: Simplify right side
399,430.76x = 104,740,086,427.18 - Step 5: Solve for x
x = 104,740,086,427.18/399,430.76 - Step 6: Final answer
x = 262,223.39
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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.