Finding the Fourth Proportional to 313,692.26, 432,898.05 and 170,452.30
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Solution
The fourth proportional to 313,692.26, 432,898.05 and 170,452.30 is: 235,225.66
Step by Step Solution
- Step 1: Write the proportion equation
313,692.26 : 432,898.05 = 170,452.30 : x - Step 2: Convert to fraction form
313,692.26/432,898.05 = 170,452.30/x - Step 3: Cross multiply
313,692.26x = 432,898.05 × 170,452.30 - Step 4: Simplify right side
313,692.26x = 73,788,467,435.75 - Step 5: Solve for x
x = 73,788,467,435.75/313,692.26 - Step 6: Final answer
x = 235,225.66
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1.5x scale
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.