Finding the Fourth Proportional to 298,380.99, 411,800.77 and 167,580.09
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Solution
The fourth proportional to 298,380.99, 411,800.77 and 167,580.09 is: 231,280.18
Step by Step Solution
- Step 1: Write the proportion equation
298,380.99 : 411,800.77 = 167,580.09 : x - Step 2: Convert to fraction form
298,380.99/411,800.77 = 167,580.09/x - Step 3: Cross multiply
298,380.99x = 411,800.77 × 167,580.09 - Step 4: Simplify right side
298,380.99x = 69,009,608,763.89 - Step 5: Solve for x
x = 69,009,608,763.89/298,380.99 - Step 6: Final answer
x = 231,280.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.