Finding the Fourth Proportional to 194,478.48, 291,542.64 and 69,790.32
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Solution
The fourth proportional to 194,478.48, 291,542.64 and 69,790.32 is: 104,622.65
Step by Step Solution
- Step 1: Write the proportion equation
194,478.48 : 291,542.64 = 69,790.32 : x - Step 2: Convert to fraction form
194,478.48/291,542.64 = 69,790.32/x - Step 3: Cross multiply
194,478.48x = 291,542.64 × 69,790.32 - Step 4: Simplify right side
194,478.48x = 20,346,854,139.24 - Step 5: Solve for x
x = 20,346,854,139.24/194,478.48 - Step 6: Final answer
x = 104,622.65
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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.