Finding the Fourth Proportional to 193,401.87, 266,890.59 and 107,355.84
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Solution
The fourth proportional to 193,401.87, 266,890.59 and 107,355.84 is: 148,148.84
Step by Step Solution
- Step 1: Write the proportion equation
193,401.87 : 266,890.59 = 107,355.84 : x - Step 2: Convert to fraction form
193,401.87/266,890.59 = 107,355.84/x - Step 3: Cross multiply
193,401.87x = 266,890.59 × 107,355.84 - Step 4: Simplify right side
193,401.87x = 28,652,263,477.55 - Step 5: Solve for x
x = 28,652,263,477.55/193,401.87 - Step 6: Final answer
x = 148,148.84
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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.