Finding the Fourth Proportional to 316,440.05, 474,709.37 and 106,028.78
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Solution
The fourth proportional to 316,440.05, 474,709.37 and 106,028.78 is: 159,059.68
Step by Step Solution
- Step 1: Write the proportion equation
316,440.05 : 474,709.37 = 106,028.78 : x - Step 2: Convert to fraction form
316,440.05/474,709.37 = 106,028.78/x - Step 3: Cross multiply
316,440.05x = 474,709.37 × 106,028.78 - Step 4: Simplify right side
316,440.05x = 50,332,852,451.98 - Step 5: Solve for x
x = 50,332,852,451.98/316,440.05 - Step 6: Final answer
x = 159,059.68
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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.