Finding the Fourth Proportional to 477,728.16, 716,145.12 and 161,962.08
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Solution
The fourth proportional to 477,728.16, 716,145.12 and 161,962.08 is: 242,791.53
Step by Step Solution
- Step 1: Write the proportion equation
477,728.16 : 716,145.12 = 161,962.08 : x - Step 2: Convert to fraction form
477,728.16/716,145.12 = 161,962.08/x - Step 3: Cross multiply
477,728.16x = 716,145.12 × 161,962.08 - Step 4: Simplify right side
477,728.16x = 115,988,353,217.05 - Step 5: Solve for x
x = 115,988,353,217.05/477,728.16 - Step 6: Final answer
x = 242,791.53
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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.