Finding the Fourth Proportional to 298,946.19, 412,562.14 and 171,629.99
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Solution
The fourth proportional to 298,946.19, 412,562.14 and 171,629.99 is: 236,858.79
Step by Step Solution
- Step 1: Write the proportion equation
298,946.19 : 412,562.14 = 171,629.99 : x - Step 2: Convert to fraction form
298,946.19/412,562.14 = 171,629.99/x - Step 3: Cross multiply
298,946.19x = 412,562.14 × 171,629.99 - Step 4: Simplify right side
298,946.19x = 70,808,033,899.77 - Step 5: Solve for x
x = 70,808,033,899.77/298,946.19 - Step 6: Final answer
x = 236,858.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.