Finding the Fourth Proportional to 440,381.42, 607,729.47 and 239,177.42
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Solution
The fourth proportional to 440,381.42, 607,729.47 and 239,177.42 is: 330,066.53
Step by Step Solution
- Step 1: Write the proportion equation
440,381.42 : 607,729.47 = 239,177.42 : x - Step 2: Convert to fraction form
440,381.42/607,729.47 = 239,177.42/x - Step 3: Cross multiply
440,381.42x = 607,729.47 × 239,177.42 - Step 4: Simplify right side
440,381.42x = 145,355,166,692.57 - Step 5: Solve for x
x = 145,355,166,692.57/440,381.42 - Step 6: Final answer
x = 330,066.53
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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.