Finding the Fourth Proportional to 455,154.46, 628,065.66 and 251,201.68
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Solution
The fourth proportional to 455,154.46, 628,065.66 and 251,201.68 is: 346,632.11
Step by Step Solution
- Step 1: Write the proportion equation
455,154.46 : 628,065.66 = 251,201.68 : x - Step 2: Convert to fraction form
455,154.46/628,065.66 = 251,201.68/x - Step 3: Cross multiply
455,154.46x = 628,065.66 × 251,201.68 - Step 4: Simplify right side
455,154.46x = 157,771,148,942.31 - Step 5: Solve for x
x = 157,771,148,942.31/455,154.46 - Step 6: Final answer
x = 346,632.11
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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.