Finding the Fourth Proportional to 338,220.36, 507,342.84 and 113,588.10
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Solution
The fourth proportional to 338,220.36, 507,342.84 and 113,588.10 is: 170,386.28
Step by Step Solution
- Step 1: Write the proportion equation
338,220.36 : 507,342.84 = 113,588.10 : x - Step 2: Convert to fraction form
338,220.36/507,342.84 = 113,588.10/x - Step 3: Cross multiply
338,220.36x = 507,342.84 × 113,588.10 - Step 4: Simplify right side
338,220.36x = 57,628,109,244.20 - Step 5: Solve for x
x = 57,628,109,244.20/338,220.36 - Step 6: Final answer
x = 170,386.28
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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.