Finding the Fourth Proportional to 167,531.76, 250,936.77 and 78,652.08
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Solution
The fourth proportional to 167,531.76, 250,936.77 and 78,652.08 is: 117,808.70
Step by Step Solution
- Step 1: Write the proportion equation
167,531.76 : 250,936.77 = 78,652.08 : x - Step 2: Convert to fraction form
167,531.76/250,936.77 = 78,652.08/x - Step 3: Cross multiply
167,531.76x = 250,936.77 × 78,652.08 - Step 4: Simplify right side
167,531.76x = 19,736,698,908.98 - Step 5: Solve for x
x = 19,736,698,908.98/167,531.76 - Step 6: Final answer
x = 117,808.70
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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.