Finding the Fourth Proportional to 299,070.42, 412,669.83 and 178,208.70
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Solution
The fourth proportional to 299,070.42, 412,669.83 and 178,208.70 is: 245,899.79
Step by Step Solution
- Step 1: Write the proportion equation
299,070.42 : 412,669.83 = 178,208.70 : x - Step 2: Convert to fraction form
299,070.42/412,669.83 = 178,208.70/x - Step 3: Cross multiply
299,070.42x = 412,669.83 × 178,208.70 - Step 4: Simplify right side
299,070.42x = 73,541,353,933.52 - Step 5: Solve for x
x = 73,541,353,933.52/299,070.42 - Step 6: Final answer
x = 245,899.79
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1.5x scale
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.