Finding the Fourth Proportional to 313,273.42, 432,317.64 and 170,033.49
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Solution
The fourth proportional to 313,273.42, 432,317.64 and 170,033.49 is: 234,646.39
Step by Step Solution
- Step 1: Write the proportion equation
313,273.42 : 432,317.64 = 170,033.49 : x - Step 2: Convert to fraction form
313,273.42/432,317.64 = 170,033.49/x - Step 3: Cross multiply
313,273.42x = 432,317.64 × 170,033.49 - Step 4: Simplify right side
313,273.42x = 73,508,476,267.60 - Step 5: Solve for x
x = 73,508,476,267.60/313,273.42 - Step 6: Final answer
x = 234,646.39
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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.