Finding the Fourth Proportional to 143,267.62, 214,903.05 and 43,427.02
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Solution
The fourth proportional to 143,267.62, 214,903.05 and 43,427.02 is: 65,141.02
Step by Step Solution
- Step 1: Write the proportion equation
143,267.62 : 214,903.05 = 43,427.02 : x - Step 2: Convert to fraction form
143,267.62/214,903.05 = 43,427.02/x - Step 3: Cross multiply
143,267.62x = 214,903.05 × 43,427.02 - Step 4: Simplify right side
143,267.62x = 9,332,599,050.41 - Step 5: Solve for x
x = 9,332,599,050.41/143,267.62 - Step 6: Final answer
x = 65,141.02
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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.