Finding the Fourth Proportional to 317,303.80, 475,977.30 and 101,145.40
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Solution
The fourth proportional to 317,303.80, 475,977.30 and 101,145.40 is: 151,724.99
Step by Step Solution
- Step 1: Write the proportion equation
317,303.80 : 475,977.30 = 101,145.40 : x - Step 2: Convert to fraction form
317,303.80/475,977.30 = 101,145.40/x - Step 3: Cross multiply
317,303.80x = 475,977.30 × 101,145.40 - Step 4: Simplify right side
317,303.80x = 48,142,914,399.42 - Step 5: Solve for x
x = 48,142,914,399.42/317,303.80 - Step 6: Final answer
x = 151,724.99
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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.