Finding the Fourth Proportional to 572,591.08, 858,775.80 and 173,138.20
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Solution
The fourth proportional to 572,591.08, 858,775.80 and 173,138.20 is: 259,673.79
Step by Step Solution
- Step 1: Write the proportion equation
572,591.08 : 858,775.80 = 173,138.20 : x - Step 2: Convert to fraction form
572,591.08/858,775.80 = 173,138.20/x - Step 3: Cross multiply
572,591.08x = 858,775.80 × 173,138.20 - Step 4: Simplify right side
572,591.08x = 148,686,896,215.56 - Step 5: Solve for x
x = 148,686,896,215.56/572,591.08 - Step 6: Final answer
x = 259,673.79
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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.