Finding the Fourth Proportional to 251,594.24, 347,209.60 and 138,425.60
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Solution
The fourth proportional to 251,594.24, 347,209.60 and 138,425.60 is: 191,032.58
Step by Step Solution
- Step 1: Write the proportion equation
251,594.24 : 347,209.60 = 138,425.60 : x - Step 2: Convert to fraction form
251,594.24/347,209.60 = 138,425.60/x - Step 3: Cross multiply
251,594.24x = 347,209.60 × 138,425.60 - Step 4: Simplify right side
251,594.24x = 48,062,697,205.76 - Step 5: Solve for x
x = 48,062,697,205.76/251,594.24 - Step 6: Final answer
x = 191,032.58
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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.