Finding the Fourth Proportional to 403,194.56, 556,177.05 and 252,029.12
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Solution
The fourth proportional to 403,194.56, 556,177.05 and 252,029.12 is: 347,655.51
Step by Step Solution
- Step 1: Write the proportion equation
403,194.56 : 556,177.05 = 252,029.12 : x - Step 2: Convert to fraction form
403,194.56/556,177.05 = 252,029.12/x - Step 3: Cross multiply
403,194.56x = 556,177.05 × 252,029.12 - Step 4: Simplify right side
403,194.56x = 140,172,809,694.81 - Step 5: Solve for x
x = 140,172,809,694.81/403,194.56 - Step 6: Final answer
x = 347,655.51
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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.