Finding the Fourth Proportional to 770,017.21, 1,154,937.53 and 201,453.17
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Solution
The fourth proportional to 770,017.21, 1,154,937.53 and 201,453.17 is: 302,156.65
Step by Step Solution
- Step 1: Write the proportion equation
770,017.21 : 1,154,937.53 = 201,453.17 : x - Step 2: Convert to fraction form
770,017.21/1,154,937.53 = 201,453.17/x - Step 3: Cross multiply
770,017.21x = 1,154,937.53 × 201,453.17 - Step 4: Simplify right side
770,017.21x = 232,665,821,299.42 - Step 5: Solve for x
x = 232,665,821,299.42/770,017.21 - Step 6: Final answer
x = 302,156.65
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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.