Finding the Fourth Proportional to 246,899.80, 370,349.70 and 128,801.80
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Solution
The fourth proportional to 246,899.80, 370,349.70 and 128,801.80 is: 193,202.70
Step by Step Solution
- Step 1: Write the proportion equation
246,899.80 : 370,349.70 = 128,801.80 : x - Step 2: Convert to fraction form
246,899.80/370,349.70 = 128,801.80/x - Step 3: Cross multiply
246,899.80x = 370,349.70 × 128,801.80 - Step 4: Simplify right side
246,899.80x = 47,701,707,989.46 - Step 5: Solve for x
x = 47,701,707,989.46/246,899.80 - Step 6: Final answer
x = 193,202.70
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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.