Finding the Fourth Proportional to 313,692.48, 432,894.68 and 170,452.96
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Solution
The fourth proportional to 313,692.48, 432,894.68 and 170,452.96 is: 235,224.57
Step by Step Solution
- Step 1: Write the proportion equation
313,692.48 : 432,894.68 = 170,452.96 : x - Step 2: Convert to fraction form
313,692.48/432,894.68 = 170,452.96/x - Step 3: Cross multiply
313,692.48x = 432,894.68 × 170,452.96 - Step 4: Simplify right side
313,692.48x = 73,788,179,574.25 - Step 5: Solve for x
x = 73,788,179,574.25/313,692.48 - Step 6: Final answer
x = 235,224.57
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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.