Finding the Fourth Proportional to 260,756.13, 391,298.73 and 110,996.19
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Solution
The fourth proportional to 260,756.13, 391,298.73 and 110,996.19 is: 166,564.32
Step by Step Solution
- Step 1: Write the proportion equation
260,756.13 : 391,298.73 = 110,996.19 : x - Step 2: Convert to fraction form
260,756.13/391,298.73 = 110,996.19/x - Step 3: Cross multiply
260,756.13x = 391,298.73 × 110,996.19 - Step 4: Simplify right side
260,756.13x = 43,432,668,181.84 - Step 5: Solve for x
x = 43,432,668,181.84/260,756.13 - Step 6: Final answer
x = 166,564.32
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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.