Finding the Fourth Proportional to 326,865.68, 489,844.92 and 148,937.84
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Solution
The fourth proportional to 326,865.68, 489,844.92 and 148,937.84 is: 223,200.08
Step by Step Solution
- Step 1: Write the proportion equation
326,865.68 : 489,844.92 = 148,937.84 : x - Step 2: Convert to fraction form
326,865.68/489,844.92 = 148,937.84/x - Step 3: Cross multiply
326,865.68x = 489,844.92 × 148,937.84 - Step 4: Simplify right side
326,865.68x = 72,956,444,319.77 - Step 5: Solve for x
x = 72,956,444,319.77/326,865.68 - Step 6: Final answer
x = 223,200.08
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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.