Finding the Fourth Proportional to 178,652.09, 246,551.84 and 118,118.65
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Solution
The fourth proportional to 178,652.09, 246,551.84 and 118,118.65 is: 163,011.64
Step by Step Solution
- Step 1: Write the proportion equation
178,652.09 : 246,551.84 = 118,118.65 : x - Step 2: Convert to fraction form
178,652.09/246,551.84 = 118,118.65/x - Step 3: Cross multiply
178,652.09x = 246,551.84 × 118,118.65 - Step 4: Simplify right side
178,652.09x = 29,122,370,495.82 - Step 5: Solve for x
x = 29,122,370,495.82/178,652.09 - Step 6: Final answer
x = 163,011.64
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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.