Finding the Fourth Proportional to 251,762.24, 347,440.16 and 138,593.60
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Solution
The fourth proportional to 251,762.24, 347,440.16 and 138,593.60 is: 191,263.72
Step by Step Solution
- Step 1: Write the proportion equation
251,762.24 : 347,440.16 = 138,593.60 : x - Step 2: Convert to fraction form
251,762.24/347,440.16 = 138,593.60/x - Step 3: Cross multiply
251,762.24x = 347,440.16 × 138,593.60 - Step 4: Simplify right side
251,762.24x = 48,152,982,558.98 - Step 5: Solve for x
x = 48,152,982,558.98/251,762.24 - Step 6: Final answer
x = 191,263.72
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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.