Finding the Fourth Proportional to 185,318.76, 255,748.68 and 104,749.68
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Solution
The fourth proportional to 185,318.76, 255,748.68 and 104,749.68 is: 144,559.53
Step by Step Solution
- Step 1: Write the proportion equation
185,318.76 : 255,748.68 = 104,749.68 : x - Step 2: Convert to fraction form
185,318.76/255,748.68 = 104,749.68/x - Step 3: Cross multiply
185,318.76x = 255,748.68 × 104,749.68 - Step 4: Simplify right side
185,318.76x = 26,789,592,390.42 - Step 5: Solve for x
x = 26,789,592,390.42/185,318.76 - Step 6: Final answer
x = 144,559.53
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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.