Finding the Fourth Proportional to 143,149.02, 214,656.90 and 53,129.02
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Solution
The fourth proportional to 143,149.02, 214,656.90 and 53,129.02 is: 79,668.80
Step by Step Solution
- Step 1: Write the proportion equation
143,149.02 : 214,656.90 = 53,129.02 : x - Step 2: Convert to fraction form
143,149.02/214,656.90 = 53,129.02/x - Step 3: Cross multiply
143,149.02x = 214,656.90 × 53,129.02 - Step 4: Simplify right side
143,149.02x = 11,404,510,733.24 - Step 5: Solve for x
x = 11,404,510,733.24/143,149.02 - Step 6: Final answer
x = 79,668.80
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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.