Finding the Fourth Proportional to 197,852.16, 296,815.36 and 79,532.48
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Solution
The fourth proportional to 197,852.16, 296,815.36 and 79,532.48 is: 119,313.64
Step by Step Solution
- Step 1: Write the proportion equation
197,852.16 : 296,815.36 = 79,532.48 : x - Step 2: Convert to fraction form
197,852.16/296,815.36 = 79,532.48/x - Step 3: Cross multiply
197,852.16x = 296,815.36 × 79,532.48 - Step 4: Simplify right side
197,852.16x = 23,606,461,682.89 - Step 5: Solve for x
x = 23,606,461,682.89/197,852.16 - Step 6: Final answer
x = 119,313.64
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1.5x scale
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.