Finding the Fourth Proportional to 213,513.10, 294,659.58 and 118,028.68
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Solution
The fourth proportional to 213,513.10, 294,659.58 and 118,028.68 is: 162,885.94
Step by Step Solution
- Step 1: Write the proportion equation
213,513.10 : 294,659.58 = 118,028.68 : x - Step 2: Convert to fraction form
213,513.10/294,659.58 = 118,028.68/x - Step 3: Cross multiply
213,513.10x = 294,659.58 × 118,028.68 - Step 4: Simplify right side
213,513.10x = 34,778,281,276.75 - Step 5: Solve for x
x = 34,778,281,276.75/213,513.10 - Step 6: Final answer
x = 162,885.94
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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.