Finding the Fourth Proportional to 905,154, 1,357,905.84 and 344,144.88
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Solution
The fourth proportional to 905,154, 1,357,905.84 and 344,144.88 is: 516,283.80
Step by Step Solution
- Step 1: Write the proportion equation
905,154 : 1,357,905.84 = 344,144.88 : x - Step 2: Convert to fraction form
905,154/1,357,905.84 = 344,144.88/x - Step 3: Cross multiply
905,154x = 1,357,905.84 × 344,144.88 - Step 4: Simplify right side
905,154x = 467,316,342,358.10 - Step 5: Solve for x
x = 467,316,342,358.10/905,154 - Step 6: Final answer
x = 516,283.80
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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.