Finding the Fourth Proportional to 238,756.68, 329,492.88 and 131,335.02
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Solution
The fourth proportional to 238,756.68, 329,492.88 and 131,335.02 is: 181,247.09
Step by Step Solution
- Step 1: Write the proportion equation
238,756.68 : 329,492.88 = 131,335.02 : x - Step 2: Convert to fraction form
238,756.68/329,492.88 = 131,335.02/x - Step 3: Cross multiply
238,756.68x = 329,492.88 × 131,335.02 - Step 4: Simplify right side
238,756.68x = 43,273,953,984.66 - Step 5: Solve for x
x = 43,273,953,984.66/238,756.68 - Step 6: Final answer
x = 181,247.09
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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.