Finding the Fourth Proportional to 256,106.10, 353,462.04 and 142,936.14
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Solution
The fourth proportional to 256,106.10, 353,462.04 and 142,936.14 is: 197,271.75
Step by Step Solution
- Step 1: Write the proportion equation
256,106.10 : 353,462.04 = 142,936.14 : x - Step 2: Convert to fraction form
256,106.10/353,462.04 = 142,936.14/x - Step 3: Cross multiply
256,106.10x = 353,462.04 × 142,936.14 - Step 4: Simplify right side
256,106.10x = 50,522,499,634.13 - Step 5: Solve for x
x = 50,522,499,634.13/256,106.10 - Step 6: Final answer
x = 197,271.75
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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.