Finding the Fourth Proportional to 372,391.84, 558,451.68 and 135,664.48
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Solution
The fourth proportional to 372,391.84, 558,451.68 and 135,664.48 is: 203,447.15
Step by Step Solution
- Step 1: Write the proportion equation
372,391.84 : 558,451.68 = 135,664.48 : x - Step 2: Convert to fraction form
372,391.84/558,451.68 = 135,664.48/x - Step 3: Cross multiply
372,391.84x = 558,451.68 × 135,664.48 - Step 4: Simplify right side
372,391.84x = 75,762,056,772.33 - Step 5: Solve for x
x = 75,762,056,772.33/372,391.84 - Step 6: Final answer
x = 203,447.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.