Finding the Fourth Proportional to 238,407.27, 329,000.66 and 130,974.99
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Solution
The fourth proportional to 238,407.27, 329,000.66 and 130,974.99 is: 180,744.73
Step by Step Solution
- Step 1: Write the proportion equation
238,407.27 : 329,000.66 = 130,974.99 : x - Step 2: Convert to fraction form
238,407.27/329,000.66 = 130,974.99/x - Step 3: Cross multiply
238,407.27x = 329,000.66 × 130,974.99 - Step 4: Simplify right side
238,407.27x = 43,090,857,498.62 - Step 5: Solve for x
x = 43,090,857,498.62/238,407.27 - Step 6: Final answer
x = 180,744.73
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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.