Finding the Fourth Proportional to 313,953.06, 470,918.94 and 136,460.10
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Solution
The fourth proportional to 313,953.06, 470,918.94 and 136,460.10 is: 204,685.52
Step by Step Solution
- Step 1: Write the proportion equation
313,953.06 : 470,918.94 = 136,460.10 : x - Step 2: Convert to fraction form
313,953.06/470,918.94 = 136,460.10/x - Step 3: Cross multiply
313,953.06x = 470,918.94 × 136,460.10 - Step 4: Simplify right side
313,953.06x = 64,261,645,644.29 - Step 5: Solve for x
x = 64,261,645,644.29/313,953.06 - Step 6: Final answer
x = 204,685.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.