Finding the Fourth Proportional to 423,464.28, 584,395.74 and 232,492.20
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Solution
The fourth proportional to 423,464.28, 584,395.74 and 232,492.20 is: 320,847.49
Step by Step Solution
- Step 1: Write the proportion equation
423,464.28 : 584,395.74 = 232,492.20 : x - Step 2: Convert to fraction form
423,464.28/584,395.74 = 232,492.20/x - Step 3: Cross multiply
423,464.28x = 584,395.74 × 232,492.20 - Step 4: Simplify right side
423,464.28x = 135,867,451,263.23 - Step 5: Solve for x
x = 135,867,451,263.23/423,464.28 - Step 6: Final answer
x = 320,847.49
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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.