Finding the Fourth Proportional to 251,901.35, 347,617.10 and 137,177.70
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Solution
The fourth proportional to 251,901.35, 347,617.10 and 137,177.70 is: 189,301.54
Step by Step Solution
- Step 1: Write the proportion equation
251,901.35 : 347,617.10 = 137,177.70 : x - Step 2: Convert to fraction form
251,901.35/347,617.10 = 137,177.70/x - Step 3: Cross multiply
251,901.35x = 347,617.10 × 137,177.70 - Step 4: Simplify right side
251,901.35x = 47,685,313,572.78 - Step 5: Solve for x
x = 47,685,313,572.78/251,901.35 - Step 6: Final answer
x = 189,301.54
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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.