Finding the Fourth Proportional to 185,021.06, 255,354.08 and 108,558.68
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Solution
The fourth proportional to 185,021.06, 255,354.08 and 108,558.68 is: 149,825.65
Step by Step Solution
- Step 1: Write the proportion equation
185,021.06 : 255,354.08 = 108,558.68 : x - Step 2: Convert to fraction form
185,021.06/255,354.08 = 108,558.68/x - Step 3: Cross multiply
185,021.06x = 255,354.08 × 108,558.68 - Step 4: Simplify right side
185,021.06x = 27,720,900,037.85 - Step 5: Solve for x
x = 27,720,900,037.85/185,021.06 - Step 6: Final answer
x = 149,825.65
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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.