Finding the Fourth Proportional to 523,408.80, 785,113.20 and 149,383.20
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Solution
The fourth proportional to 523,408.80, 785,113.20 and 149,383.20 is: 224,074.80
Step by Step Solution
- Step 1: Write the proportion equation
523,408.80 : 785,113.20 = 149,383.20 : x - Step 2: Convert to fraction form
523,408.80/785,113.20 = 149,383.20/x - Step 3: Cross multiply
523,408.80x = 785,113.20 × 149,383.20 - Step 4: Simplify right side
523,408.80x = 117,282,722,178.24 - Step 5: Solve for x
x = 117,282,722,178.24/523,408.80 - Step 6: Final answer
x = 224,074.80
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.