Finding the Fourth Proportional to 738,093.80, 1,107,140.70 and 239,457.80
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Solution
The fourth proportional to 738,093.80, 1,107,140.70 and 239,457.80 is: 359,186.70
Step by Step Solution
- Step 1: Write the proportion equation
738,093.80 : 1,107,140.70 = 239,457.80 : x - Step 2: Convert to fraction form
738,093.80/1,107,140.70 = 239,457.80/x - Step 3: Cross multiply
738,093.80x = 1,107,140.70 × 239,457.80 - Step 4: Simplify right side
738,093.80x = 265,113,476,312.46 - Step 5: Solve for x
x = 265,113,476,312.46/738,093.80 - Step 6: Final answer
x = 359,186.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.