Finding the Fourth Proportional to 262,848.80, 394,305.99 and 102,904.07
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Solution
The fourth proportional to 262,848.80, 394,305.99 and 102,904.07 is: 154,368.94
Step by Step Solution
- Step 1: Write the proportion equation
262,848.80 : 394,305.99 = 102,904.07 : x - Step 2: Convert to fraction form
262,848.80/394,305.99 = 102,904.07/x - Step 3: Cross multiply
262,848.80x = 394,305.99 × 102,904.07 - Step 4: Simplify right side
262,848.80x = 40,575,692,182.14 - Step 5: Solve for x
x = 40,575,692,182.14/262,848.80 - Step 6: Final answer
x = 154,368.94
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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.