Finding the Fourth Proportional to 338,202.60, 507,325.76 and 113,553.96
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Solution
The fourth proportional to 338,202.60, 507,325.76 and 113,553.96 is: 170,338.28
Step by Step Solution
- Step 1: Write the proportion equation
338,202.60 : 507,325.76 = 113,553.96 : x - Step 2: Convert to fraction form
338,202.60/507,325.76 = 113,553.96/x - Step 3: Cross multiply
338,202.60x = 507,325.76 × 113,553.96 - Step 4: Simplify right side
338,202.60x = 57,608,849,058.01 - Step 5: Solve for x
x = 57,608,849,058.01/338,202.60 - Step 6: Final answer
x = 170,338.28
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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.