Finding the Fourth Proportional to 114,316.69, 171,438.68 and 106,853.65
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Solution
The fourth proportional to 114,316.69, 171,438.68 and 106,853.65 is: 160,246.49
Step by Step Solution
- Step 1: Write the proportion equation
114,316.69 : 171,438.68 = 106,853.65 : x - Step 2: Convert to fraction form
114,316.69/171,438.68 = 106,853.65/x - Step 3: Cross multiply
114,316.69x = 171,438.68 × 106,853.65 - Step 4: Simplify right side
114,316.69x = 18,318,848,709.18 - Step 5: Solve for x
x = 18,318,848,709.18/114,316.69 - Step 6: Final answer
x = 160,246.49
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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.