Finding the Fourth Proportional to 339,877.49, 469,053.86 and 224,958.13
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Solution
The fourth proportional to 339,877.49, 469,053.86 and 224,958.13 is: 310,457.39
Step by Step Solution
- Step 1: Write the proportion equation
339,877.49 : 469,053.86 = 224,958.13 : x - Step 2: Convert to fraction form
339,877.49/469,053.86 = 224,958.13/x - Step 3: Cross multiply
339,877.49x = 469,053.86 × 224,958.13 - Step 4: Simplify right side
339,877.49x = 105,517,476,917.46 - Step 5: Solve for x
x = 105,517,476,917.46/339,877.49 - Step 6: Final answer
x = 310,457.39
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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.