Finding the Fourth Proportional to 210,035.24, 315,242.24 and 142,403.68
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Solution
The fourth proportional to 210,035.24, 315,242.24 and 142,403.68 is: 213,733.92
Step by Step Solution
- Step 1: Write the proportion equation
210,035.24 : 315,242.24 = 142,403.68 : x - Step 2: Convert to fraction form
210,035.24/315,242.24 = 142,403.68/x - Step 3: Cross multiply
210,035.24x = 315,242.24 × 142,403.68 - Step 4: Simplify right side
210,035.24x = 44,891,655,067.44 - Step 5: Solve for x
x = 44,891,655,067.44/210,035.24 - Step 6: Final answer
x = 213,733.92
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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.