Finding the Fourth Proportional to 341,887.78, 471,803.97 and 188,921.71
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Solution
The fourth proportional to 341,887.78, 471,803.97 and 188,921.71 is: 260,711.32
Step by Step Solution
- Step 1: Write the proportion equation
341,887.78 : 471,803.97 = 188,921.71 : x - Step 2: Convert to fraction form
341,887.78/471,803.97 = 188,921.71/x - Step 3: Cross multiply
341,887.78x = 471,803.97 × 188,921.71 - Step 4: Simplify right side
341,887.78x = 89,134,012,797.19 - Step 5: Solve for x
x = 89,134,012,797.19/341,887.78 - Step 6: Final answer
x = 260,711.32
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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.