Finding the Fourth Proportional to 167,214.08, 250,903.13 and 78,474.80
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Solution
The fourth proportional to 167,214.08, 250,903.13 and 78,474.80 is: 117,750.68
Step by Step Solution
- Step 1: Write the proportion equation
167,214.08 : 250,903.13 = 78,474.80 : x - Step 2: Convert to fraction form
167,214.08/250,903.13 = 78,474.80/x - Step 3: Cross multiply
167,214.08x = 250,903.13 × 78,474.80 - Step 4: Simplify right side
167,214.08x = 19,689,571,299.23 - Step 5: Solve for x
x = 19,689,571,299.23/167,214.08 - Step 6: Final answer
x = 117,750.68
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1.5x scale
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.