Finding the Fourth Proportional to 197,475.46, 272,515.86 and 106,831.19
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Solution
The fourth proportional to 197,475.46, 272,515.86 and 106,831.19 is: 147,426.90
Step by Step Solution
- Step 1: Write the proportion equation
197,475.46 : 272,515.86 = 106,831.19 : x - Step 2: Convert to fraction form
197,475.46/272,515.86 = 106,831.19/x - Step 3: Cross multiply
197,475.46x = 272,515.86 × 106,831.19 - Step 4: Simplify right side
197,475.46x = 29,113,194,298.96 - Step 5: Solve for x
x = 29,113,194,298.96/197,475.46 - Step 6: Final answer
x = 147,426.90
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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.