Finding the Fourth Proportional to 458,249.07, 687,209.58 and 158,649.21
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Solution
The fourth proportional to 458,249.07, 687,209.58 and 158,649.21 is: 237,917.02
Step by Step Solution
- Step 1: Write the proportion equation
458,249.07 : 687,209.58 = 158,649.21 : x - Step 2: Convert to fraction form
458,249.07/687,209.58 = 158,649.21/x - Step 3: Cross multiply
458,249.07x = 687,209.58 × 158,649.21 - Step 4: Simplify right side
458,249.07x = 109,025,252,742.14 - Step 5: Solve for x
x = 109,025,252,742.14/458,249.07 - Step 6: Final answer
x = 237,917.02
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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.