Finding the Fourth Proportional to 117,764.08, 176,628.84 and 38,880.88
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Solution
The fourth proportional to 117,764.08, 176,628.84 and 38,880.88 is: 58,315.61
Step by Step Solution
- Step 1: Write the proportion equation
117,764.08 : 176,628.84 = 38,880.88 : x - Step 2: Convert to fraction form
117,764.08/176,628.84 = 38,880.88/x - Step 3: Cross multiply
117,764.08x = 176,628.84 × 38,880.88 - Step 4: Simplify right side
117,764.08x = 6,867,484,732.58 - Step 5: Solve for x
x = 6,867,484,732.58/117,764.08 - Step 6: Final answer
x = 58,315.61
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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.