Finding the Fourth Proportional to 185,597.14, 256,124.75 and 100,714.21
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Solution
The fourth proportional to 185,597.14, 256,124.75 and 100,714.21 is: 138,985.99
Step by Step Solution
- Step 1: Write the proportion equation
185,597.14 : 256,124.75 = 100,714.21 : x - Step 2: Convert to fraction form
185,597.14/256,124.75 = 100,714.21/x - Step 3: Cross multiply
185,597.14x = 256,124.75 × 100,714.21 - Step 4: Simplify right side
185,597.14x = 25,795,401,857.70 - Step 5: Solve for x
x = 25,795,401,857.70/185,597.14 - Step 6: Final answer
x = 138,985.99
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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.