Finding the Fourth Proportional to 313,813.06, 470,455.02 and 136,186.26
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Solution
The fourth proportional to 313,813.06, 470,455.02 and 136,186.26 is: 204,164.57
Step by Step Solution
- Step 1: Write the proportion equation
313,813.06 : 470,455.02 = 136,186.26 : x - Step 2: Convert to fraction form
313,813.06/470,455.02 = 136,186.26/x - Step 3: Cross multiply
313,813.06x = 470,455.02 × 136,186.26 - Step 4: Simplify right side
313,813.06x = 64,069,509,672.03 - Step 5: Solve for x
x = 64,069,509,672.03/313,813.06 - Step 6: Final answer
x = 204,164.57
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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.