Finding the Fourth Proportional to 251,701.84, 347,421.72 and 149,798.80
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Solution
The fourth proportional to 251,701.84, 347,421.72 and 149,798.80 is: 206,765.90
Step by Step Solution
- Step 1: Write the proportion equation
251,701.84 : 347,421.72 = 149,798.80 : x - Step 2: Convert to fraction form
251,701.84/347,421.72 = 149,798.80/x - Step 3: Cross multiply
251,701.84x = 347,421.72 × 149,798.80 - Step 4: Simplify right side
251,701.84x = 52,043,356,749.94 - Step 5: Solve for x
x = 52,043,356,749.94/251,701.84 - Step 6: Final answer
x = 206,765.90
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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.