Finding the Fourth Proportional to 455,347.62, 628,367.21 and 251,394.83
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Solution
The fourth proportional to 455,347.62, 628,367.21 and 251,394.83 is: 346,917.95
Step by Step Solution
- Step 1: Write the proportion equation
455,347.62 : 628,367.21 = 251,394.83 : x - Step 2: Convert to fraction form
455,347.62/628,367.21 = 251,394.83/x - Step 3: Cross multiply
455,347.62x = 628,367.21 × 251,394.83 - Step 4: Simplify right side
455,347.62x = 157,968,263,536.71 - Step 5: Solve for x
x = 157,968,263,536.71/455,347.62 - Step 6: Final answer
x = 346,917.95
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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.