Finding the Fourth Proportional to 477,249.08, 715,873.80 and 140,289.74
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Solution
The fourth proportional to 477,249.08, 715,873.80 and 140,289.74 is: 210,434.66
Step by Step Solution
- Step 1: Write the proportion equation
477,249.08 : 715,873.80 = 140,289.74 : x - Step 2: Convert to fraction form
477,249.08/715,873.80 = 140,289.74/x - Step 3: Cross multiply
477,249.08x = 715,873.80 × 140,289.74 - Step 4: Simplify right side
477,249.08x = 100,429,749,274.81 - Step 5: Solve for x
x = 100,429,749,274.81/477,249.08 - Step 6: Final answer
x = 210,434.66
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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.