Finding the Fourth Proportional to 313,621.80, 432,797.36 and 170,380.59
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Solution
The fourth proportional to 313,621.80, 432,797.36 and 170,380.59 is: 235,124.82
Step by Step Solution
- Step 1: Write the proportion equation
313,621.80 : 432,797.36 = 170,380.59 : x - Step 2: Convert to fraction form
313,621.80/432,797.36 = 170,380.59/x - Step 3: Cross multiply
313,621.80x = 432,797.36 × 170,380.59 - Step 4: Simplify right side
313,621.80x = 73,740,268,695.34 - Step 5: Solve for x
x = 73,740,268,695.34/313,621.80 - Step 6: Final answer
x = 235,124.82
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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.