Finding the Fourth Proportional to 149,250.19, 223,953.05 and 66,124.75
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Solution
The fourth proportional to 149,250.19, 223,953.05 and 66,124.75 is: 99,221.58
Step by Step Solution
- Step 1: Write the proportion equation
149,250.19 : 223,953.05 = 66,124.75 : x - Step 2: Convert to fraction form
149,250.19/223,953.05 = 66,124.75/x - Step 3: Cross multiply
149,250.19x = 223,953.05 × 66,124.75 - Step 4: Simplify right side
149,250.19x = 14,808,839,442.99 - Step 5: Solve for x
x = 14,808,839,442.99/149,250.19 - Step 6: Final answer
x = 99,221.58
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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.