Finding the Fourth Proportional to 475,854.68, 656,697.84 and 261,003.80
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Solution
The fourth proportional to 475,854.68, 656,697.84 and 261,003.80 is: 360,195.33
Step by Step Solution
- Step 1: Write the proportion equation
475,854.68 : 656,697.84 = 261,003.80 : x - Step 2: Convert to fraction form
475,854.68/656,697.84 = 261,003.80/x - Step 3: Cross multiply
475,854.68x = 656,697.84 × 261,003.80 - Step 4: Simplify right side
475,854.68x = 171,400,631,691.79 - Step 5: Solve for x
x = 171,400,631,691.79/475,854.68 - Step 6: Final answer
x = 360,195.33
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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.