Finding the Fourth Proportional to 286,376.36, 395,176.19 and 165,525.44
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Solution
The fourth proportional to 286,376.36, 395,176.19 and 165,525.44 is: 228,411.70
Step by Step Solution
- Step 1: Write the proportion equation
286,376.36 : 395,176.19 = 165,525.44 : x - Step 2: Convert to fraction form
286,376.36/395,176.19 = 165,525.44/x - Step 3: Cross multiply
286,376.36x = 395,176.19 × 165,525.44 - Step 4: Simplify right side
286,376.36x = 65,411,709,923.77 - Step 5: Solve for x
x = 65,411,709,923.77/286,376.36 - Step 6: Final answer
x = 228,411.70
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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.