Finding the Fourth Proportional to 227,427.84, 313,752.96 and 136,759.68
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Solution
The fourth proportional to 227,427.84, 313,752.96 and 136,759.68 is: 188,669.75
Step by Step Solution
- Step 1: Write the proportion equation
227,427.84 : 313,752.96 = 136,759.68 : x - Step 2: Convert to fraction form
227,427.84/313,752.96 = 136,759.68/x - Step 3: Cross multiply
227,427.84x = 313,752.96 × 136,759.68 - Step 4: Simplify right side
227,427.84x = 42,908,754,408.65 - Step 5: Solve for x
x = 42,908,754,408.65/227,427.84 - Step 6: Final answer
x = 188,669.75
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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.