Finding the Fourth Proportional to 185,035.24, 255,350.50 and 100,154.12
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Solution
The fourth proportional to 185,035.24, 255,350.50 and 100,154.12 is: 138,213.70
Step by Step Solution
- Step 1: Write the proportion equation
185,035.24 : 255,350.50 = 100,154.12 : x - Step 2: Convert to fraction form
185,035.24/255,350.50 = 100,154.12/x - Step 3: Cross multiply
185,035.24x = 255,350.50 × 100,154.12 - Step 4: Simplify right side
185,035.24x = 25,574,404,619.06 - Step 5: Solve for x
x = 25,574,404,619.06/185,035.24 - Step 6: Final answer
x = 138,213.70
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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.