Finding the Fourth Proportional to 475,913.24, 713,793.26 and 138,874.76
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Solution
The fourth proportional to 475,913.24, 713,793.26 and 138,874.76 is: 208,289.79
Step by Step Solution
- Step 1: Write the proportion equation
475,913.24 : 713,793.26 = 138,874.76 : x - Step 2: Convert to fraction form
475,913.24/713,793.26 = 138,874.76/x - Step 3: Cross multiply
475,913.24x = 713,793.26 × 138,874.76 - Step 4: Simplify right side
475,913.24x = 99,127,867,672.12 - Step 5: Solve for x
x = 99,127,867,672.12/475,913.24 - Step 6: Final answer
x = 208,289.79
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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.