Finding the Fourth Proportional to 313,269.18, 432,311.86 and 170,029.23
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Solution
The fourth proportional to 313,269.18, 432,311.86 and 170,029.23 is: 234,640.55
Step by Step Solution
- Step 1: Write the proportion equation
313,269.18 : 432,311.86 = 170,029.23 : x - Step 2: Convert to fraction form
313,269.18/432,311.86 = 170,029.23/x - Step 3: Cross multiply
313,269.18x = 432,311.86 × 170,029.23 - Step 4: Simplify right side
313,269.18x = 73,505,652,675.67 - Step 5: Solve for x
x = 73,505,652,675.67/313,269.18 - Step 6: Final answer
x = 234,640.55
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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.