Finding the Fourth Proportional to 213,867.55, 295,133.64 and 118,372.19
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Solution
The fourth proportional to 213,867.55, 295,133.64 and 118,372.19 is: 163,351.65
Step by Step Solution
- Step 1: Write the proportion equation
213,867.55 : 295,133.64 = 118,372.19 : x - Step 2: Convert to fraction form
213,867.55/295,133.64 = 118,372.19/x - Step 3: Cross multiply
213,867.55x = 295,133.64 × 118,372.19 - Step 4: Simplify right side
213,867.55x = 34,935,615,309.47 - Step 5: Solve for x
x = 34,935,615,309.47/213,867.55 - Step 6: Final answer
x = 163,351.65
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1.5x scale
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.