Finding the Fourth Proportional to 338,283.41, 507,501.99 and 113,626.60
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Solution
The fourth proportional to 338,283.41, 507,501.99 and 113,626.60 is: 170,465.72
Step by Step Solution
- Step 1: Write the proportion equation
338,283.41 : 507,501.99 = 113,626.60 : x - Step 2: Convert to fraction form
338,283.41/507,501.99 = 113,626.60/x - Step 3: Cross multiply
338,283.41x = 507,501.99 × 113,626.60 - Step 4: Simplify right side
338,283.41x = 57,665,724,348.18 - Step 5: Solve for x
x = 57,665,724,348.18/338,283.41 - Step 6: Final answer
x = 170,465.72
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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.