Finding the Fourth Proportional to 313,093.80, 469,122.30 and 266,437.80
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Solution
The fourth proportional to 313,093.80, 469,122.30 and 266,437.80 is: 399,215.55
Step by Step Solution
- Step 1: Write the proportion equation
313,093.80 : 469,122.30 = 266,437.80 : x - Step 2: Convert to fraction form
313,093.80/469,122.30 = 266,437.80/x - Step 3: Cross multiply
313,093.80x = 469,122.30 × 266,437.80 - Step 4: Simplify right side
313,093.80x = 124,991,913,542.94 - Step 5: Solve for x
x = 124,991,913,542.94/313,093.80 - Step 6: Final answer
x = 399,215.55
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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.