Finding the Fourth Proportional to 276,795.60, 415,129.68 and 108,319.92
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Solution
The fourth proportional to 276,795.60, 415,129.68 and 108,319.92 is: 162,454.94
Step by Step Solution
- Step 1: Write the proportion equation
276,795.60 : 415,129.68 = 108,319.92 : x - Step 2: Convert to fraction form
276,795.60/415,129.68 = 108,319.92/x - Step 3: Cross multiply
276,795.60x = 415,129.68 × 108,319.92 - Step 4: Simplify right side
276,795.60x = 44,966,813,727.23 - Step 5: Solve for x
x = 44,966,813,727.23/276,795.60 - Step 6: Final answer
x = 162,454.94
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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.