Finding the Fourth Proportional to 110,490.76, 152,603.94 and 72,932.68
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Solution
The fourth proportional to 110,490.76, 152,603.94 and 72,932.68 is: 100,730.72
Step by Step Solution
- Step 1: Write the proportion equation
110,490.76 : 152,603.94 = 72,932.68 : x - Step 2: Convert to fraction form
110,490.76/152,603.94 = 72,932.68/x - Step 3: Cross multiply
110,490.76x = 152,603.94 × 72,932.68 - Step 4: Simplify right side
110,490.76x = 11,129,814,322.76 - Step 5: Solve for x
x = 11,129,814,322.76/110,490.76 - Step 6: Final answer
x = 100,730.72
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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.