Finding the Fourth Proportional to 265,859.95, 398,865.27 and 108,201.55
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Solution
The fourth proportional to 265,859.95, 398,865.27 and 108,201.55 is: 162,332.99
Step by Step Solution
- Step 1: Write the proportion equation
265,859.95 : 398,865.27 = 108,201.55 : x - Step 2: Convert to fraction form
265,859.95/398,865.27 = 108,201.55/x - Step 3: Cross multiply
265,859.95x = 398,865.27 × 108,201.55 - Step 4: Simplify right side
265,859.95x = 43,157,840,455.17 - Step 5: Solve for x
x = 43,157,840,455.17/265,859.95 - Step 6: Final answer
x = 162,332.99
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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.