Finding the Fourth Proportional to 113,898.63, 170,852.64 and 39,070.23
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Solution
The fourth proportional to 113,898.63, 170,852.64 and 39,070.23 is: 58,606.96
Step by Step Solution
- Step 1: Write the proportion equation
113,898.63 : 170,852.64 = 39,070.23 : x - Step 2: Convert to fraction form
113,898.63/170,852.64 = 39,070.23/x - Step 3: Cross multiply
113,898.63x = 170,852.64 × 39,070.23 - Step 4: Simplify right side
113,898.63x = 6,675,251,940.91 - Step 5: Solve for x
x = 6,675,251,940.91/113,898.63 - Step 6: Final answer
x = 58,606.96
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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.