Finding the Fourth Proportional to 376,969.14, 520,203.60 and 207,201.78
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Solution
The fourth proportional to 376,969.14, 520,203.60 and 207,201.78 is: 285,930.86
Step by Step Solution
- Step 1: Write the proportion equation
376,969.14 : 520,203.60 = 207,201.78 : x - Step 2: Convert to fraction form
376,969.14/520,203.60 = 207,201.78/x - Step 3: Cross multiply
376,969.14x = 520,203.60 × 207,201.78 - Step 4: Simplify right side
376,969.14x = 107,787,111,882.41 - Step 5: Solve for x
x = 107,787,111,882.41/376,969.14 - Step 6: Final answer
x = 285,930.86
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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.