Finding the Fourth Proportional to 317,070.13, 476,079.59 and 274,507.19
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Solution
The fourth proportional to 317,070.13, 476,079.59 and 274,507.19 is: 412,171.50
Step by Step Solution
- Step 1: Write the proportion equation
317,070.13 : 476,079.59 = 274,507.19 : x - Step 2: Convert to fraction form
317,070.13/476,079.59 = 274,507.19/x - Step 3: Cross multiply
317,070.13x = 476,079.59 × 274,507.19 - Step 4: Simplify right side
317,070.13x = 130,687,270,558.42 - Step 5: Solve for x
x = 130,687,270,558.42/317,070.13 - Step 6: Final answer
x = 412,171.50
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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.