Finding the Fourth Proportional to 251,877.24, 347,590.02 and 137,154.09
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Solution
The fourth proportional to 251,877.24, 347,590.02 and 137,154.09 is: 189,272.33
Step by Step Solution
- Step 1: Write the proportion equation
251,877.24 : 347,590.02 = 137,154.09 : x - Step 2: Convert to fraction form
251,877.24/347,590.02 = 137,154.09/x - Step 3: Cross multiply
251,877.24x = 347,590.02 × 137,154.09 - Step 4: Simplify right side
251,877.24x = 47,673,392,886.18 - Step 5: Solve for x
x = 47,673,392,886.18/251,877.24 - Step 6: Final answer
x = 189,272.33
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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.