Finding the Fourth Proportional to 293,577.60, 440,438.40 and 135,772.80
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Solution
The fourth proportional to 293,577.60, 440,438.40 and 135,772.80 is: 203,692.50
Step by Step Solution
- Step 1: Write the proportion equation
293,577.60 : 440,438.40 = 135,772.80 : x - Step 2: Convert to fraction form
293,577.60/440,438.40 = 135,772.80/x - Step 3: Cross multiply
293,577.60x = 440,438.40 × 135,772.80 - Step 4: Simplify right side
293,577.60x = 59,799,554,795.52 - Step 5: Solve for x
x = 59,799,554,795.52/293,577.60 - Step 6: Final answer
x = 203,692.50
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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.