Finding the Fourth Proportional to 361,976.79, 499,541.34 and 218,709.18
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Solution
The fourth proportional to 361,976.79, 499,541.34 and 218,709.18 is: 301,826.75
Step by Step Solution
- Step 1: Write the proportion equation
361,976.79 : 499,541.34 = 218,709.18 : x - Step 2: Convert to fraction form
361,976.79/499,541.34 = 218,709.18/x - Step 3: Cross multiply
361,976.79x = 499,541.34 × 218,709.18 - Step 4: Simplify right side
361,976.79x = 109,254,276,847.50 - Step 5: Solve for x
x = 109,254,276,847.50/361,976.79 - Step 6: Final answer
x = 301,826.75
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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.