Finding the Fourth Proportional to 286,767.44, 430,141.44 and 109,268.08
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Solution
The fourth proportional to 286,767.44, 430,141.44 and 109,268.08 is: 163,898.42
Step by Step Solution
- Step 1: Write the proportion equation
286,767.44 : 430,141.44 = 109,268.08 : x - Step 2: Convert to fraction form
286,767.44/430,141.44 = 109,268.08/x - Step 3: Cross multiply
286,767.44x = 430,141.44 × 109,268.08 - Step 4: Simplify right side
286,767.44x = 47,000,729,277.24 - Step 5: Solve for x
x = 47,000,729,277.24/286,767.44 - Step 6: Final answer
x = 163,898.42
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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.