Finding the Fourth Proportional to 185,697.62, 256,265.53 and 100,814.68
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Solution
The fourth proportional to 185,697.62, 256,265.53 and 100,814.68 is: 139,125.79
Step by Step Solution
- Step 1: Write the proportion equation
185,697.62 : 256,265.53 = 100,814.68 : x - Step 2: Convert to fraction form
185,697.62/256,265.53 = 100,814.68/x - Step 3: Cross multiply
185,697.62x = 256,265.53 × 100,814.68 - Step 4: Simplify right side
185,697.62x = 25,835,326,509.28 - Step 5: Solve for x
x = 25,835,326,509.28/185,697.62 - Step 6: Final answer
x = 139,125.79
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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.