Finding the Fourth Proportional to 265,818.79, 398,399.86 and 228,113.83
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Solution
The fourth proportional to 265,818.79, 398,399.86 and 228,113.83 is: 341,888.99
Step by Step Solution
- Step 1: Write the proportion equation
265,818.79 : 398,399.86 = 228,113.83 : x - Step 2: Convert to fraction form
265,818.79/398,399.86 = 228,113.83/x - Step 3: Cross multiply
265,818.79x = 398,399.86 × 228,113.83 - Step 4: Simplify right side
265,818.79x = 90,880,517,936.06 - Step 5: Solve for x
x = 90,880,517,936.06/265,818.79 - Step 6: Final answer
x = 341,888.99
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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.