Finding the Fourth Proportional to 185,241.15, 255,634.02 and 100,358.21
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Solution
The fourth proportional to 185,241.15, 255,634.02 and 100,358.21 is: 138,494.99
Step by Step Solution
- Step 1: Write the proportion equation
185,241.15 : 255,634.02 = 100,358.21 : x - Step 2: Convert to fraction form
185,241.15/255,634.02 = 100,358.21/x - Step 3: Cross multiply
185,241.15x = 255,634.02 × 100,358.21 - Step 4: Simplify right side
185,241.15x = 25,654,971,384.13 - Step 5: Solve for x
x = 25,654,971,384.13/185,241.15 - Step 6: Final answer
x = 138,494.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.