Finding the Fourth Proportional to 447,178.57, 670,751.91 and 127,331.99
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Solution
The fourth proportional to 447,178.57, 670,751.91 and 127,331.99 is: 190,993.44
Step by Step Solution
- Step 1: Write the proportion equation
447,178.57 : 670,751.91 = 127,331.99 : x - Step 2: Convert to fraction form
447,178.57/670,751.91 = 127,331.99/x - Step 3: Cross multiply
447,178.57x = 670,751.91 × 127,331.99 - Step 4: Simplify right side
447,178.57x = 85,408,175,496.60 - Step 5: Solve for x
x = 85,408,175,496.60/447,178.57 - Step 6: Final answer
x = 190,993.44
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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.