Finding the Fourth Proportional to 286,367.36, 429,698.44 and 118,012.08
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Solution
The fourth proportional to 286,367.36, 429,698.44 and 118,012.08 is: 177,078.86
Step by Step Solution
- Step 1: Write the proportion equation
286,367.36 : 429,698.44 = 118,012.08 : x - Step 2: Convert to fraction form
286,367.36/429,698.44 = 118,012.08/x - Step 3: Cross multiply
286,367.36x = 429,698.44 × 118,012.08 - Step 4: Simplify right side
286,367.36x = 50,709,606,677.16 - Step 5: Solve for x
x = 50,709,606,677.16/286,367.36 - Step 6: Final answer
x = 177,078.86
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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.