Finding the Fourth Proportional to 438,974.12, 657,952.89 and 201,819.08
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Solution
The fourth proportional to 438,974.12, 657,952.89 and 201,819.08 is: 302,494.93
Step by Step Solution
- Step 1: Write the proportion equation
438,974.12 : 657,952.89 = 201,819.08 : x - Step 2: Convert to fraction form
438,974.12/657,952.89 = 201,819.08/x - Step 3: Cross multiply
438,974.12x = 657,952.89 × 201,819.08 - Step 4: Simplify right side
438,974.12x = 132,787,443,653.38 - Step 5: Solve for x
x = 132,787,443,653.38/438,974.12 - Step 6: Final answer
x = 302,494.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.