Finding the Fourth Proportional to 313,272.90, 432,317.09 and 170,033.00
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Solution
The fourth proportional to 313,272.90, 432,317.09 and 170,033.00 is: 234,645.81
Step by Step Solution
- Step 1: Write the proportion equation
313,272.90 : 432,317.09 = 170,033.00 : x - Step 2: Convert to fraction form
313,272.90/432,317.09 = 170,033.00/x - Step 3: Cross multiply
313,272.90x = 432,317.09 × 170,033.00 - Step 4: Simplify right side
313,272.90x = 73,508,173,269.85 - Step 5: Solve for x
x = 73,508,173,269.85/313,272.90 - Step 6: Final answer
x = 234,645.81
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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.