Finding the Fourth Proportional to 246,919.64, 340,749.12 and 133,742.42
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Solution
The fourth proportional to 246,919.64, 340,749.12 and 133,742.42 is: 184,564.55
Step by Step Solution
- Step 1: Write the proportion equation
246,919.64 : 340,749.12 = 133,742.42 : x - Step 2: Convert to fraction form
246,919.64/340,749.12 = 133,742.42/x - Step 3: Cross multiply
246,919.64x = 340,749.12 × 133,742.42 - Step 4: Simplify right side
246,919.64x = 45,572,611,921.67 - Step 5: Solve for x
x = 45,572,611,921.67/246,919.64 - Step 6: Final answer
x = 184,564.55
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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.