Finding the Fourth Proportional to 257,380.32, 386,119.04 and 97,504.08
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Solution
The fourth proportional to 257,380.32, 386,119.04 and 97,504.08 is: 146,274.52
Step by Step Solution
- Step 1: Write the proportion equation
257,380.32 : 386,119.04 = 97,504.08 : x - Step 2: Convert to fraction form
257,380.32/386,119.04 = 97,504.08/x - Step 3: Cross multiply
257,380.32x = 386,119.04 × 97,504.08 - Step 4: Simplify right side
257,380.32x = 37,648,181,765.68 - Step 5: Solve for x
x = 37,648,181,765.68/257,380.32 - Step 6: Final answer
x = 146,274.52
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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.