Finding the Fourth Proportional to 236,763.50, 326,728.25 and 129,334.01
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Solution
The fourth proportional to 236,763.50, 326,728.25 and 129,334.01 is: 178,477.99
Step by Step Solution
- Step 1: Write the proportion equation
236,763.50 : 326,728.25 = 129,334.01 : x - Step 2: Convert to fraction form
236,763.50/326,728.25 = 129,334.01/x - Step 3: Cross multiply
236,763.50x = 326,728.25 × 129,334.01 - Step 4: Simplify right side
236,763.50x = 42,257,074,752.78 - Step 5: Solve for x
x = 42,257,074,752.78/236,763.50 - Step 6: Final answer
x = 178,477.99
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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.