Finding the Fourth Proportional to 423,489.44, 584,416.48 and 232,515.12
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Solution
The fourth proportional to 423,489.44, 584,416.48 and 232,515.12 is: 320,871.44
Step by Step Solution
- Step 1: Write the proportion equation
423,489.44 : 584,416.48 = 232,515.12 : x - Step 2: Convert to fraction form
423,489.44/584,416.48 = 232,515.12/x - Step 3: Cross multiply
423,489.44x = 584,416.48 × 232,515.12 - Step 4: Simplify right side
423,489.44x = 135,885,667,977.18 - Step 5: Solve for x
x = 135,885,667,977.18/423,489.44 - Step 6: Final answer
x = 320,871.44
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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.