Finding the Fourth Proportional to 254,700.24, 382,028.34 and 86,216.96
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Solution
The fourth proportional to 254,700.24, 382,028.34 and 86,216.96 is: 129,317.99
Step by Step Solution
- Step 1: Write the proportion equation
254,700.24 : 382,028.34 = 86,216.96 : x - Step 2: Convert to fraction form
254,700.24/382,028.34 = 86,216.96/x - Step 3: Cross multiply
254,700.24x = 382,028.34 × 86,216.96 - Step 4: Simplify right side
254,700.24x = 32,937,322,108.65 - Step 5: Solve for x
x = 32,937,322,108.65/254,700.24 - Step 6: Final answer
x = 129,317.99
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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.