Finding the Fourth Proportional to 455,106.14, 682,795.04 and 135,268.63
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Solution
The fourth proportional to 455,106.14, 682,795.04 and 135,268.63 is: 202,943.31
Step by Step Solution
- Step 1: Write the proportion equation
455,106.14 : 682,795.04 = 135,268.63 : x - Step 2: Convert to fraction form
455,106.14/682,795.04 = 135,268.63/x - Step 3: Cross multiply
455,106.14x = 682,795.04 × 135,268.63 - Step 4: Simplify right side
455,106.14x = 92,360,747,248.26 - Step 5: Solve for x
x = 92,360,747,248.26/455,106.14 - Step 6: Final answer
x = 202,943.31
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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.