Finding the Fourth Proportional to 475,138.84, 655,691.76 and 260,286.64
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Solution
The fourth proportional to 475,138.84, 655,691.76 and 260,286.64 is: 359,195.65
Step by Step Solution
- Step 1: Write the proportion equation
475,138.84 : 655,691.76 = 260,286.64 : x - Step 2: Convert to fraction form
475,138.84/655,691.76 = 260,286.64/x - Step 3: Cross multiply
475,138.84x = 655,691.76 × 260,286.64 - Step 4: Simplify right side
475,138.84x = 170,667,805,086.09 - Step 5: Solve for x
x = 170,667,805,086.09/475,138.84 - Step 6: Final answer
x = 359,195.65
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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.