Finding the Fourth Proportional to 905,156, 1,357,908.84 and 344,146.88
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Solution
The fourth proportional to 905,156, 1,357,908.84 and 344,146.88 is: 516,286.80
Step by Step Solution
- Step 1: Write the proportion equation
905,156 : 1,357,908.84 = 344,146.88 : x - Step 2: Convert to fraction form
905,156/1,357,908.84 = 344,146.88/x - Step 3: Cross multiply
905,156x = 1,357,908.84 × 344,146.88 - Step 4: Simplify right side
905,156x = 467,320,090,610.42 - Step 5: Solve for x
x = 467,320,090,610.42/905,156 - Step 6: Final answer
x = 516,286.80
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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.