Finding the Fourth Proportional to 338,355.08, 466,920.18 and 195,138.44
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Solution
The fourth proportional to 338,355.08, 466,920.18 and 195,138.44 is: 269,285.38
Step by Step Solution
- Step 1: Write the proportion equation
338,355.08 : 466,920.18 = 195,138.44 : x - Step 2: Convert to fraction form
338,355.08/466,920.18 = 195,138.44/x - Step 3: Cross multiply
338,355.08x = 466,920.18 × 195,138.44 - Step 4: Simplify right side
338,355.08x = 91,114,075,529.72 - Step 5: Solve for x
x = 91,114,075,529.72/338,355.08 - Step 6: Final answer
x = 269,285.38
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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.