Finding the Fourth Proportional to 205,587.36, 283,709.52 and 119,515.68
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Solution
The fourth proportional to 205,587.36, 283,709.52 and 119,515.68 is: 164,931.04
Step by Step Solution
- Step 1: Write the proportion equation
205,587.36 : 283,709.52 = 119,515.68 : x - Step 2: Convert to fraction form
205,587.36/283,709.52 = 119,515.68/x - Step 3: Cross multiply
205,587.36x = 283,709.52 × 119,515.68 - Step 4: Simplify right side
205,587.36x = 33,907,736,205.27 - Step 5: Solve for x
x = 33,907,736,205.27/205,587.36 - Step 6: Final answer
x = 164,931.04
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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.