Finding the Fourth Proportional to 298,570.95, 412,028.36 and 162,605.49
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Solution
The fourth proportional to 298,570.95, 412,028.36 and 162,605.49 is: 224,395.82
Step by Step Solution
- Step 1: Write the proportion equation
298,570.95 : 412,028.36 = 162,605.49 : x - Step 2: Convert to fraction form
298,570.95/412,028.36 = 162,605.49/x - Step 3: Cross multiply
298,570.95x = 412,028.36 × 162,605.49 - Step 4: Simplify right side
298,570.95x = 66,998,072,558.67 - Step 5: Solve for x
x = 66,998,072,558.67/298,570.95 - Step 6: Final answer
x = 224,395.82
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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.