Finding the Fourth Proportional to 344,519.70, 516,779.55 and 251,207.70
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Solution
The fourth proportional to 344,519.70, 516,779.55 and 251,207.70 is: 376,811.55
Step by Step Solution
- Step 1: Write the proportion equation
344,519.70 : 516,779.55 = 251,207.70 : x - Step 2: Convert to fraction form
344,519.70/516,779.55 = 251,207.70/x - Step 3: Cross multiply
344,519.70x = 516,779.55 × 251,207.70 - Step 4: Simplify right side
344,519.70x = 129,819,002,162.54 - Step 5: Solve for x
x = 129,819,002,162.54/344,519.70 - Step 6: Final answer
x = 376,811.55
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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.