Finding the Fourth Proportional to 403,354.24, 556,607.70 and 222,030.75
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Solution
The fourth proportional to 403,354.24, 556,607.70 and 222,030.75 is: 306,390.79
Step by Step Solution
- Step 1: Write the proportion equation
403,354.24 : 556,607.70 = 222,030.75 : x - Step 2: Convert to fraction form
403,354.24/556,607.70 = 222,030.75/x - Step 3: Cross multiply
403,354.24x = 556,607.70 × 222,030.75 - Step 4: Simplify right side
403,354.24x = 123,584,025,086.78 - Step 5: Solve for x
x = 123,584,025,086.78/403,354.24 - Step 6: Final answer
x = 306,390.79
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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.