Finding the Fourth Proportional to 227,011.74, 313,290.36 and 125,037.18
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Solution
The fourth proportional to 227,011.74, 313,290.36 and 125,037.18 is: 172,559.11
Step by Step Solution
- Step 1: Write the proportion equation
227,011.74 : 313,290.36 = 125,037.18 : x - Step 2: Convert to fraction form
227,011.74/313,290.36 = 125,037.18/x - Step 3: Cross multiply
227,011.74x = 313,290.36 × 125,037.18 - Step 4: Simplify right side
227,011.74x = 39,172,943,135.58 - Step 5: Solve for x
x = 39,172,943,135.58/227,011.74 - Step 6: Final answer
x = 172,559.11
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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.