Finding the Fourth Proportional to 338,257.36, 507,347.16 and 113,608.72
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Solution
The fourth proportional to 338,257.36, 507,347.16 and 113,608.72 is: 170,400.02
Step by Step Solution
- Step 1: Write the proportion equation
338,257.36 : 507,347.16 = 113,608.72 : x - Step 2: Convert to fraction form
338,257.36/507,347.16 = 113,608.72/x - Step 3: Cross multiply
338,257.36x = 507,347.16 × 113,608.72 - Step 4: Simplify right side
338,257.36x = 57,639,061,443.24 - Step 5: Solve for x
x = 57,639,061,443.24/338,257.36 - Step 6: Final answer
x = 170,400.02
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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.