Finding the Fourth Proportional to 455,134.08, 628,080.48 and 251,186.88
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Solution
The fourth proportional to 455,134.08, 628,080.48 and 251,186.88 is: 346,635.38
Step by Step Solution
- Step 1: Write the proportion equation
455,134.08 : 628,080.48 = 251,186.88 : x - Step 2: Convert to fraction form
455,134.08/628,080.48 = 251,186.88/x - Step 3: Cross multiply
455,134.08x = 628,080.48 × 251,186.88 - Step 4: Simplify right side
455,134.08x = 157,765,576,160.10 - Step 5: Solve for x
x = 157,765,576,160.10/455,134.08 - Step 6: Final answer
x = 346,635.38
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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.