Finding the Fourth Proportional to 351,480.74, 527,112.05 and 126,811.98
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Solution
The fourth proportional to 351,480.74, 527,112.05 and 126,811.98 is: 190,178.62
Step by Step Solution
- Step 1: Write the proportion equation
351,480.74 : 527,112.05 = 126,811.98 : x - Step 2: Convert to fraction form
351,480.74/527,112.05 = 126,811.98/x - Step 3: Cross multiply
351,480.74x = 527,112.05 × 126,811.98 - Step 4: Simplify right side
351,480.74x = 66,844,122,108.30 - Step 5: Solve for x
x = 66,844,122,108.30/351,480.74 - Step 6: Final answer
x = 190,178.62
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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.