Finding the Fourth Proportional to 147,357.42, 203,350.50 and 81,950.26
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Solution
The fourth proportional to 147,357.42, 203,350.50 and 81,950.26 is: 113,089.84
Step by Step Solution
- Step 1: Write the proportion equation
147,357.42 : 203,350.50 = 81,950.26 : x - Step 2: Convert to fraction form
147,357.42/203,350.50 = 81,950.26/x - Step 3: Cross multiply
147,357.42x = 203,350.50 × 81,950.26 - Step 4: Simplify right side
147,357.42x = 16,664,626,346.13 - Step 5: Solve for x
x = 16,664,626,346.13/147,357.42 - Step 6: Final answer
x = 113,089.84
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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.