Finding the Fourth Proportional to 324,434.13, 486,652.34 and 99,793.05
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Solution
The fourth proportional to 324,434.13, 486,652.34 and 99,793.05 is: 149,689.93
Step by Step Solution
- Step 1: Write the proportion equation
324,434.13 : 486,652.34 = 99,793.05 : x - Step 2: Convert to fraction form
324,434.13/486,652.34 = 99,793.05/x - Step 3: Cross multiply
324,434.13x = 486,652.34 × 99,793.05 - Step 4: Simplify right side
324,434.13x = 48,564,521,298.24 - Step 5: Solve for x
x = 48,564,521,298.24/324,434.13 - Step 6: Final answer
x = 149,689.93
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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.