Finding the Fourth Proportional to 149,118.84, 223,491.12 and 89,191.62
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Solution
The fourth proportional to 149,118.84, 223,491.12 and 89,191.62 is: 133,675.50
Step by Step Solution
- Step 1: Write the proportion equation
149,118.84 : 223,491.12 = 89,191.62 : x - Step 2: Convert to fraction form
149,118.84/223,491.12 = 89,191.62/x - Step 3: Cross multiply
149,118.84x = 223,491.12 × 89,191.62 - Step 4: Simplify right side
149,118.84x = 19,933,535,048.41 - Step 5: Solve for x
x = 19,933,535,048.41/149,118.84 - Step 6: Final answer
x = 133,675.50
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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.