Finding the Fourth Proportional to 317,770.36, 438,340.02 and 190,372.14
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Solution
The fourth proportional to 317,770.36, 438,340.02 and 190,372.14 is: 262,603.87
Step by Step Solution
- Step 1: Write the proportion equation
317,770.36 : 438,340.02 = 190,372.14 : x - Step 2: Convert to fraction form
317,770.36/438,340.02 = 190,372.14/x - Step 3: Cross multiply
317,770.36x = 438,340.02 × 190,372.14 - Step 4: Simplify right side
317,770.36x = 83,447,727,655.04 - Step 5: Solve for x
x = 83,447,727,655.04/317,770.36 - Step 6: Final answer
x = 262,603.87
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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.