Finding the Fourth Proportional to 338,338.05, 466,888.65 and 193,138.06
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Solution
The fourth proportional to 338,338.05, 466,888.65 and 193,138.06 is: 266,520.33
Step by Step Solution
- Step 1: Write the proportion equation
338,338.05 : 466,888.65 = 193,138.06 : x - Step 2: Convert to fraction form
338,338.05/466,888.65 = 193,138.06/x - Step 3: Cross multiply
338,338.05x = 466,888.65 × 193,138.06 - Step 4: Simplify right side
338,338.05x = 90,173,968,097.02 - Step 5: Solve for x
x = 90,173,968,097.02/338,338.05 - Step 6: Final answer
x = 266,520.33
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1.5x scale
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.