Finding the Fourth Proportional to 518,000.93, 777,107.10 and 218,480.96
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Solution
The fourth proportional to 518,000.93, 777,107.10 and 218,480.96 is: 327,766.02
Step by Step Solution
- Step 1: Write the proportion equation
518,000.93 : 777,107.10 = 218,480.96 : x - Step 2: Convert to fraction form
518,000.93/777,107.10 = 218,480.96/x - Step 3: Cross multiply
518,000.93x = 777,107.10 × 218,480.96 - Step 4: Simplify right side
518,000.93x = 169,783,101,345.28 - Step 5: Solve for x
x = 169,783,101,345.28/518,000.93 - Step 6: Final answer
x = 327,766.02
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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.