Finding the Fourth Proportional to 338,672.07, 507,652.47 and 113,954.49
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Solution
The fourth proportional to 338,672.07, 507,652.47 and 113,954.49 is: 170,812.07
Step by Step Solution
- Step 1: Write the proportion equation
338,672.07 : 507,652.47 = 113,954.49 : x - Step 2: Convert to fraction form
338,672.07/507,652.47 = 113,954.49/x - Step 3: Cross multiply
338,672.07x = 507,652.47 × 113,954.49 - Step 4: Simplify right side
338,672.07x = 57,849,278,316.09 - Step 5: Solve for x
x = 57,849,278,316.09/338,672.07 - Step 6: Final answer
x = 170,812.07
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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.