Finding the Fourth Proportional to 318,318.08, 477,507.09 and 93,678.62
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Solution
The fourth proportional to 318,318.08, 477,507.09 and 93,678.62 is: 140,526.75
Step by Step Solution
- Step 1: Write the proportion equation
318,318.08 : 477,507.09 = 93,678.62 : x - Step 2: Convert to fraction form
318,318.08/477,507.09 = 93,678.62/x - Step 3: Cross multiply
318,318.08x = 477,507.09 × 93,678.62 - Step 4: Simplify right side
318,318.08x = 44,732,205,231.42 - Step 5: Solve for x
x = 44,732,205,231.42/318,318.08 - Step 6: Final answer
x = 140,526.75
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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.