Finding the Fourth Proportional to 323,988.44, 486,199.58 and 134,448.99
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Solution
The fourth proportional to 323,988.44, 486,199.58 and 134,448.99 is: 201,763.50
Step by Step Solution
- Step 1: Write the proportion equation
323,988.44 : 486,199.58 = 134,448.99 : x - Step 2: Convert to fraction form
323,988.44/486,199.58 = 134,448.99/x - Step 3: Cross multiply
323,988.44x = 486,199.58 × 134,448.99 - Step 4: Simplify right side
323,988.44x = 65,369,039,973.93 - Step 5: Solve for x
x = 65,369,039,973.93/323,988.44 - Step 6: Final answer
x = 201,763.50
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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.