Finding the Fourth Proportional to 262,927.84, 394,491.12 and 157,820.08
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Solution
The fourth proportional to 262,927.84, 394,491.12 and 157,820.08 is: 236,789.76
Step by Step Solution
- Step 1: Write the proportion equation
262,927.84 : 394,491.12 = 157,820.08 : x - Step 2: Convert to fraction form
262,927.84/394,491.12 = 157,820.08/x - Step 3: Cross multiply
262,927.84x = 394,491.12 × 157,820.08 - Step 4: Simplify right side
262,927.84x = 62,258,620,117.69 - Step 5: Solve for x
x = 62,258,620,117.69/262,927.84 - Step 6: Final answer
x = 236,789.76
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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.