Finding the Fourth Proportional to 213,683.99, 294,885.86 and 116,885.88
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Solution
The fourth proportional to 213,683.99, 294,885.86 and 116,885.88 is: 161,303.58
Step by Step Solution
- Step 1: Write the proportion equation
213,683.99 : 294,885.86 = 116,885.88 : x - Step 2: Convert to fraction form
213,683.99/294,885.86 = 116,885.88/x - Step 3: Cross multiply
213,683.99x = 294,885.86 × 116,885.88 - Step 4: Simplify right side
213,683.99x = 34,467,992,661.23 - Step 5: Solve for x
x = 34,467,992,661.23/213,683.99 - Step 6: Final answer
x = 161,303.58
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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.