Finding the Fourth Proportional to 143,023.97, 214,528.98 and 53,084.19
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Solution
The fourth proportional to 143,023.97, 214,528.98 and 53,084.19 is: 79,623.69
Step by Step Solution
- Step 1: Write the proportion equation
143,023.97 : 214,528.98 = 53,084.19 : x - Step 2: Convert to fraction form
143,023.97/214,528.98 = 53,084.19/x - Step 3: Cross multiply
143,023.97x = 214,528.98 × 53,084.19 - Step 4: Simplify right side
143,023.97x = 11,388,096,931.65 - Step 5: Solve for x
x = 11,388,096,931.65/143,023.97 - Step 6: Final answer
x = 79,623.69
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1.5x scale
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.