Finding the Fourth Proportional to 516,050.19, 712,149.98 and 289,697.31
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Solution
The fourth proportional to 516,050.19, 712,149.98 and 289,697.31 is: 399,782.69
Step by Step Solution
- Step 1: Write the proportion equation
516,050.19 : 712,149.98 = 289,697.31 : x - Step 2: Convert to fraction form
516,050.19/712,149.98 = 289,697.31/x - Step 3: Cross multiply
516,050.19x = 712,149.98 × 289,697.31 - Step 4: Simplify right side
516,050.19x = 206,307,932,074.07 - Step 5: Solve for x
x = 206,307,932,074.07/516,050.19 - Step 6: Final answer
x = 399,782.69
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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.