Finding the Fourth Proportional to 403,086.36, 556,242.50 and 219,325.68
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Solution
The fourth proportional to 403,086.36, 556,242.50 and 219,325.68 is: 302,660.37
Step by Step Solution
- Step 1: Write the proportion equation
403,086.36 : 556,242.50 = 219,325.68 : x - Step 2: Convert to fraction form
403,086.36/556,242.50 = 219,325.68/x - Step 3: Cross multiply
403,086.36x = 556,242.50 × 219,325.68 - Step 4: Simplify right side
403,086.36x = 121,998,263,460.77 - Step 5: Solve for x
x = 121,998,263,460.77/403,086.36 - Step 6: Final answer
x = 302,660.37
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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.