Finding the Fourth Proportional to 423,378.08, 584,268.37 and 232,408.88
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Solution
The fourth proportional to 423,378.08, 584,268.37 and 232,408.88 is: 320,727.88
Step by Step Solution
- Step 1: Write the proportion equation
423,378.08 : 584,268.37 = 232,408.88 : x - Step 2: Convert to fraction form
423,378.08/584,268.37 = 232,408.88/x - Step 3: Cross multiply
423,378.08x = 584,268.37 × 232,408.88 - Step 4: Simplify right side
423,378.08x = 135,789,153,988.76 - Step 5: Solve for x
x = 135,789,153,988.76/423,378.08 - Step 6: Final answer
x = 320,727.88
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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.