Finding the Fourth Proportional to 134,470.20, 201,705.30 and 40,975.80
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Solution
The fourth proportional to 134,470.20, 201,705.30 and 40,975.80 is: 61,463.70
Step by Step Solution
- Step 1: Write the proportion equation
134,470.20 : 201,705.30 = 40,975.80 : x - Step 2: Convert to fraction form
134,470.20/201,705.30 = 40,975.80/x - Step 3: Cross multiply
134,470.20x = 201,705.30 × 40,975.80 - Step 4: Simplify right side
134,470.20x = 8,265,036,031.74 - Step 5: Solve for x
x = 8,265,036,031.74/134,470.20 - Step 6: Final answer
x = 61,463.70
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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.