Finding the Fourth Proportional to 210,617.96, 290,652.10 and 115,124.68
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Solution
The fourth proportional to 210,617.96, 290,652.10 and 115,124.68 is: 158,871.68
Step by Step Solution
- Step 1: Write the proportion equation
210,617.96 : 290,652.10 = 115,124.68 : x - Step 2: Convert to fraction form
210,617.96/290,652.10 = 115,124.68/x - Step 3: Cross multiply
210,617.96x = 290,652.10 × 115,124.68 - Step 4: Simplify right side
210,617.96x = 33,461,230,003.83 - Step 5: Solve for x
x = 33,461,230,003.83/210,617.96 - Step 6: Final answer
x = 158,871.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.