Finding the Fourth Proportional to 132,484.21, 182,845.76 and 78,798.83
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Solution
The fourth proportional to 132,484.21, 182,845.76 and 78,798.83 is: 108,752.82
Step by Step Solution
- Step 1: Write the proportion equation
132,484.21 : 182,845.76 = 78,798.83 : x - Step 2: Convert to fraction form
132,484.21/182,845.76 = 78,798.83/x - Step 3: Cross multiply
132,484.21x = 182,845.76 × 78,798.83 - Step 4: Simplify right side
132,484.21x = 14,408,030,650.24 - Step 5: Solve for x
x = 14,408,030,650.24/132,484.21 - Step 6: Final answer
x = 108,752.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.