Finding the Fourth Proportional to 286,257.60, 395,035.92 and 158,929.92
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Solution
The fourth proportional to 286,257.60, 395,035.92 and 158,929.92 is: 219,323.53
Step by Step Solution
- Step 1: Write the proportion equation
286,257.60 : 395,035.92 = 158,929.92 : x - Step 2: Convert to fraction form
286,257.60/395,035.92 = 158,929.92/x - Step 3: Cross multiply
286,257.60x = 395,035.92 × 158,929.92 - Step 4: Simplify right side
286,257.60x = 62,783,027,162.73 - Step 5: Solve for x
x = 62,783,027,162.73/286,257.60 - Step 6: Final answer
x = 219,323.53
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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.