Finding the Fourth Proportional to 118,767.64, 178,171.08 and 56,417.08
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Solution
The fourth proportional to 118,767.64, 178,171.08 and 56,417.08 is: 84,634.94
Step by Step Solution
- Step 1: Write the proportion equation
118,767.64 : 178,171.08 = 56,417.08 : x - Step 2: Convert to fraction form
118,767.64/178,171.08 = 56,417.08/x - Step 3: Cross multiply
118,767.64x = 178,171.08 × 56,417.08 - Step 4: Simplify right side
118,767.64x = 10,051,892,074.05 - Step 5: Solve for x
x = 10,051,892,074.05/118,767.64 - Step 6: Final answer
x = 84,634.94
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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.