Finding the Fourth Proportional to 149,933.20, 224,899.80 and 39,125.20
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Solution
The fourth proportional to 149,933.20, 224,899.80 and 39,125.20 is: 58,687.80
Step by Step Solution
- Step 1: Write the proportion equation
149,933.20 : 224,899.80 = 39,125.20 : x - Step 2: Convert to fraction form
149,933.20/224,899.80 = 39,125.20/x - Step 3: Cross multiply
149,933.20x = 224,899.80 × 39,125.20 - Step 4: Simplify right side
149,933.20x = 8,799,249,654.96 - Step 5: Solve for x
x = 8,799,249,654.96/149,933.20 - Step 6: Final answer
x = 58,687.80
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1.5x scale
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.