Finding the Fourth Proportional to 154,762.40, 232,209.21 and 84,559.70
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Solution
The fourth proportional to 154,762.40, 232,209.21 and 84,559.70 is: 126,875.39
Step by Step Solution
- Step 1: Write the proportion equation
154,762.40 : 232,209.21 = 84,559.70 : x - Step 2: Convert to fraction form
154,762.40/232,209.21 = 84,559.70/x - Step 3: Cross multiply
154,762.40x = 232,209.21 × 84,559.70 - Step 4: Simplify right side
154,762.40x = 19,635,539,550.99 - Step 5: Solve for x
x = 19,635,539,550.99/154,762.40 - Step 6: Final answer
x = 126,875.39
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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.