Finding the Fourth Proportional to 203,358.58, 305,085.86 and 70,239.94
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Solution
The fourth proportional to 203,358.58, 305,085.86 and 70,239.94 is: 105,376.49
Step by Step Solution
- Step 1: Write the proportion equation
203,358.58 : 305,085.86 = 70,239.94 : x - Step 2: Convert to fraction form
203,358.58/305,085.86 = 70,239.94/x - Step 3: Cross multiply
203,358.58x = 305,085.86 × 70,239.94 - Step 4: Simplify right side
203,358.58x = 21,429,212,501.25 - Step 5: Solve for x
x = 21,429,212,501.25/203,358.58 - Step 6: Final answer
x = 105,376.49
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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.