Finding the Fourth Proportional to 318,684.24, 477,914.64 and 93,984.96
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Solution
The fourth proportional to 318,684.24, 477,914.64 and 93,984.96 is: 140,944.49
Step by Step Solution
- Step 1: Write the proportion equation
318,684.24 : 477,914.64 = 93,984.96 : x - Step 2: Convert to fraction form
318,684.24/477,914.64 = 93,984.96/x - Step 3: Cross multiply
318,684.24x = 477,914.64 × 93,984.96 - Step 4: Simplify right side
318,684.24x = 44,916,788,323.81 - Step 5: Solve for x
x = 44,916,788,323.81/318,684.24 - Step 6: Final answer
x = 140,944.49
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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.