Finding the Fourth Proportional to 118,257.28, 177,291.74 and 68,280.68
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Solution
The fourth proportional to 118,257.28, 177,291.74 and 68,280.68 is: 102,366.64
Step by Step Solution
- Step 1: Write the proportion equation
118,257.28 : 177,291.74 = 68,280.68 : x - Step 2: Convert to fraction form
118,257.28/177,291.74 = 68,280.68/x - Step 3: Cross multiply
118,257.28x = 177,291.74 × 68,280.68 - Step 4: Simplify right side
118,257.28x = 12,105,600,565.58 - Step 5: Solve for x
x = 12,105,600,565.58/118,257.28 - Step 6: Final answer
x = 102,366.64
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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.