Finding the Fourth Proportional to 326,380.19, 489,487.12 and 101,698.74
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Solution
The fourth proportional to 326,380.19, 489,487.12 and 101,698.74 is: 152,522.20
Step by Step Solution
- Step 1: Write the proportion equation
326,380.19 : 489,487.12 = 101,698.74 : x - Step 2: Convert to fraction form
326,380.19/489,487.12 = 101,698.74/x - Step 3: Cross multiply
326,380.19x = 489,487.12 × 101,698.74 - Step 4: Simplify right side
326,380.19x = 49,780,223,095.98 - Step 5: Solve for x
x = 49,780,223,095.98/326,380.19 - Step 6: Final answer
x = 152,522.20
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1.5x scale
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.