Finding the Fourth Proportional to 313,272.05, 432,303.84 and 170,029.01
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Solution
The fourth proportional to 313,272.05, 432,303.84 and 170,029.01 is: 234,633.75
Step by Step Solution
- Step 1: Write the proportion equation
313,272.05 : 432,303.84 = 170,029.01 : x - Step 2: Convert to fraction form
313,272.05/432,303.84 = 170,029.01/x - Step 3: Cross multiply
313,272.05x = 432,303.84 × 170,029.01 - Step 4: Simplify right side
313,272.05x = 73,504,195,015.16 - Step 5: Solve for x
x = 73,504,195,015.16/313,272.05 - Step 6: Final answer
x = 234,633.75
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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.