Finding the Fourth Proportional to 238,405.96, 329,006.23 and 130,985.99
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Solution
The fourth proportional to 238,405.96, 329,006.23 and 130,985.99 is: 180,763.96
Step by Step Solution
- Step 1: Write the proportion equation
238,405.96 : 329,006.23 = 130,985.99 : x - Step 2: Convert to fraction form
238,405.96/329,006.23 = 130,985.99/x - Step 3: Cross multiply
238,405.96x = 329,006.23 × 130,985.99 - Step 4: Simplify right side
238,405.96x = 43,095,204,780.22 - Step 5: Solve for x
x = 43,095,204,780.22/238,405.96 - Step 6: Final answer
x = 180,763.96
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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.