Finding the Fourth Proportional to 239,492.16, 330,494.58 and 132,072.12
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Solution
The fourth proportional to 239,492.16, 330,494.58 and 132,072.12 is: 182,256.99
Step by Step Solution
- Step 1: Write the proportion equation
239,492.16 : 330,494.58 = 132,072.12 : x - Step 2: Convert to fraction form
239,492.16/330,494.58 = 132,072.12/x - Step 3: Cross multiply
239,492.16x = 330,494.58 × 132,072.12 - Step 4: Simplify right side
239,492.16x = 43,649,119,829.11 - Step 5: Solve for x
x = 43,649,119,829.11/239,492.16 - Step 6: Final answer
x = 182,256.99
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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.