Finding the Fourth Proportional to 80,801.80, 121,202.70 and 24,641.80
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Solution
The fourth proportional to 80,801.80, 121,202.70 and 24,641.80 is: 36,962.70
Step by Step Solution
- Step 1: Write the proportion equation
80,801.80 : 121,202.70 = 24,641.80 : x - Step 2: Convert to fraction form
80,801.80/121,202.70 = 24,641.80/x - Step 3: Cross multiply
80,801.80x = 121,202.70 × 24,641.80 - Step 4: Simplify right side
80,801.80x = 2,986,652,692.86 - Step 5: Solve for x
x = 2,986,652,692.86/80,801.80 - Step 6: Final answer
x = 36,962.70
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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.