Finding the Fourth Proportional to 149,277.18, 205,993.16 and 82,209.18
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Solution
The fourth proportional to 149,277.18, 205,993.16 and 82,209.18 is: 113,443.52
Step by Step Solution
- Step 1: Write the proportion equation
149,277.18 : 205,993.16 = 82,209.18 : x - Step 2: Convert to fraction form
149,277.18/205,993.16 = 82,209.18/x - Step 3: Cross multiply
149,277.18x = 205,993.16 × 82,209.18 - Step 4: Simplify right side
149,277.18x = 16,934,528,769.21 - Step 5: Solve for x
x = 16,934,528,769.21/149,277.18 - Step 6: Final answer
x = 113,443.52
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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.