Finding the Fourth Proportional to 372,006.60, 558,155.70 and 135,373.20
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Solution
The fourth proportional to 372,006.60, 558,155.70 and 135,373.20 is: 203,112.86
Step by Step Solution
- Step 1: Write the proportion equation
372,006.60 : 558,155.70 = 135,373.20 : x - Step 2: Convert to fraction form
372,006.60/558,155.70 = 135,373.20/x - Step 3: Cross multiply
372,006.60x = 558,155.70 × 135,373.20 - Step 4: Simplify right side
372,006.60x = 75,559,323,207.24 - Step 5: Solve for x
x = 75,559,323,207.24/372,006.60 - Step 6: Final answer
x = 203,112.86
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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.