Finding the Fourth Proportional to 957,426.74, 1,436,135.79 and 247,394.42
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Solution
The fourth proportional to 957,426.74, 1,436,135.79 and 247,394.42 is: 371,090.51
Step by Step Solution
- Step 1: Write the proportion equation
957,426.74 : 1,436,135.79 = 247,394.42 : x - Step 2: Convert to fraction form
957,426.74/1,436,135.79 = 247,394.42/x - Step 3: Cross multiply
957,426.74x = 1,436,135.79 × 247,394.42 - Step 4: Simplify right side
957,426.74x = 355,291,980,808.29 - Step 5: Solve for x
x = 355,291,980,808.29/957,426.74 - Step 6: Final answer
x = 371,090.51
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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.