Finding the Fourth Proportional to 412,544.68, 569,301.40 and 228,782.18
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Solution
The fourth proportional to 412,544.68, 569,301.40 and 228,782.18 is: 315,713.72
Step by Step Solution
- Step 1: Write the proportion equation
412,544.68 : 569,301.40 = 228,782.18 : x - Step 2: Convert to fraction form
412,544.68/569,301.40 = 228,782.18/x - Step 3: Cross multiply
412,544.68x = 569,301.40 × 228,782.18 - Step 4: Simplify right side
412,544.68x = 130,246,015,369.05 - Step 5: Solve for x
x = 130,246,015,369.05/412,544.68 - Step 6: Final answer
x = 315,713.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.