Finding the Fourth Proportional to 145,790.11, 201,257.90 and 102,804.63
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Solution
The fourth proportional to 145,790.11, 201,257.90 and 102,804.63 is: 141,918.02
Step by Step Solution
- Step 1: Write the proportion equation
145,790.11 : 201,257.90 = 102,804.63 : x - Step 2: Convert to fraction form
145,790.11/201,257.90 = 102,804.63/x - Step 3: Cross multiply
145,790.11x = 201,257.90 × 102,804.63 - Step 4: Simplify right side
145,790.11x = 20,690,243,944.08 - Step 5: Solve for x
x = 20,690,243,944.08/145,790.11 - Step 6: Final answer
x = 141,918.02
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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.