Finding the Fourth Proportional to 370,871.30, 556,161.37 and 130,933.99
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Solution
The fourth proportional to 370,871.30, 556,161.37 and 130,933.99 is: 196,349.59
Step by Step Solution
- Step 1: Write the proportion equation
370,871.30 : 556,161.37 = 130,933.99 : x - Step 2: Convert to fraction form
370,871.30/556,161.37 = 130,933.99/x - Step 3: Cross multiply
370,871.30x = 556,161.37 × 130,933.99 - Step 4: Simplify right side
370,871.30x = 72,820,427,257.97 - Step 5: Solve for x
x = 72,820,427,257.97/370,871.30 - Step 6: Final answer
x = 196,349.59
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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.