Finding the Fourth Proportional to 76,208.76, 114,320.76 and 26,282.28
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Solution
The fourth proportional to 76,208.76, 114,320.76 and 26,282.28 is: 39,426.05
Step by Step Solution
- Step 1: Write the proportion equation
76,208.76 : 114,320.76 = 26,282.28 : x - Step 2: Convert to fraction form
76,208.76/114,320.76 = 26,282.28/x - Step 3: Cross multiply
76,208.76x = 114,320.76 × 26,282.28 - Step 4: Simplify right side
76,208.76x = 3,004,610,224.13 - Step 5: Solve for x
x = 3,004,610,224.13/76,208.76 - Step 6: Final answer
x = 39,426.05
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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.