Finding the Fourth Proportional to 461,401.80, 692,102.70 and 212,083.80
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Solution
The fourth proportional to 461,401.80, 692,102.70 and 212,083.80 is: 318,125.70
Step by Step Solution
- Step 1: Write the proportion equation
461,401.80 : 692,102.70 = 212,083.80 : x - Step 2: Convert to fraction form
461,401.80/692,102.70 = 212,083.80/x - Step 3: Cross multiply
461,401.80x = 692,102.70 × 212,083.80 - Step 4: Simplify right side
461,401.80x = 146,783,770,606.26 - Step 5: Solve for x
x = 146,783,770,606.26/461,401.80 - Step 6: Final answer
x = 318,125.70
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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.