Finding the Fourth Proportional to 227,012.74, 313,291.74 and 125,038.18
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Solution
The fourth proportional to 227,012.74, 313,291.74 and 125,038.18 is: 172,560.49
Step by Step Solution
- Step 1: Write the proportion equation
227,012.74 : 313,291.74 = 125,038.18 : x - Step 2: Convert to fraction form
227,012.74/313,291.74 = 125,038.18/x - Step 3: Cross multiply
227,012.74x = 313,291.74 × 125,038.18 - Step 4: Simplify right side
227,012.74x = 39,173,428,978.63 - Step 5: Solve for x
x = 39,173,428,978.63/227,012.74 - Step 6: Final answer
x = 172,560.49
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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.