Finding the Fourth Proportional to 339,013.44, 508,605.60 and 239,368.26
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Solution
The fourth proportional to 339,013.44, 508,605.60 and 239,368.26 is: 359,112.72
Step by Step Solution
- Step 1: Write the proportion equation
339,013.44 : 508,605.60 = 239,368.26 : x - Step 2: Convert to fraction form
339,013.44/508,605.60 = 239,368.26/x - Step 3: Cross multiply
339,013.44x = 508,605.60 × 239,368.26 - Step 4: Simplify right side
339,013.44x = 121,744,037,498.26 - Step 5: Solve for x
x = 121,744,037,498.26/339,013.44 - Step 6: Final answer
x = 359,112.72
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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.