Finding the Fourth Proportional to 192,972.74, 266,432.35 and 120,485.99
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Solution
The fourth proportional to 192,972.74, 266,432.35 and 120,485.99 is: 166,351.81
Step by Step Solution
- Step 1: Write the proportion equation
192,972.74 : 266,432.35 = 120,485.99 : x - Step 2: Convert to fraction form
192,972.74/266,432.35 = 120,485.99/x - Step 3: Cross multiply
192,972.74x = 266,432.35 × 120,485.99 - Step 4: Simplify right side
192,972.74x = 32,101,365,457.78 - Step 5: Solve for x
x = 32,101,365,457.78/192,972.74 - Step 6: Final answer
x = 166,351.81
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1.5x scale
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.