Finding the Fourth Proportional to 361,970.11, 499,509.23 and 198,626.12
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Solution
The fourth proportional to 361,970.11, 499,509.23 and 198,626.12 is: 274,098.82
Step by Step Solution
- Step 1: Write the proportion equation
361,970.11 : 499,509.23 = 198,626.12 : x - Step 2: Convert to fraction form
361,970.11/499,509.23 = 198,626.12/x - Step 3: Cross multiply
361,970.11x = 499,509.23 × 198,626.12 - Step 4: Simplify right side
361,970.11x = 99,215,580,259.09 - Step 5: Solve for x
x = 99,215,580,259.09/361,970.11 - Step 6: Final answer
x = 274,098.82
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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.