Finding the Fourth Proportional to 246,905.28, 340,728.64 and 133,727.68
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Solution
The fourth proportional to 246,905.28, 340,728.64 and 133,727.68 is: 184,543.85
Step by Step Solution
- Step 1: Write the proportion equation
246,905.28 : 340,728.64 = 133,727.68 : x - Step 2: Convert to fraction form
246,905.28/340,728.64 = 133,727.68/x - Step 3: Cross multiply
246,905.28x = 340,728.64 × 133,727.68 - Step 4: Simplify right side
246,905.28x = 45,564,850,536.76 - Step 5: Solve for x
x = 45,564,850,536.76/246,905.28 - Step 6: Final answer
x = 184,543.85
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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.