Finding the Fourth Proportional to 423,485.91, 584,392.19 and 232,502.49
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Solution
The fourth proportional to 423,485.91, 584,392.19 and 232,502.49 is: 320,843.35
Step by Step Solution
- Step 1: Write the proportion equation
423,485.91 : 584,392.19 = 232,502.49 : x - Step 2: Convert to fraction form
423,485.91/584,392.19 = 232,502.49/x - Step 3: Cross multiply
423,485.91x = 584,392.19 × 232,502.49 - Step 4: Simplify right side
423,485.91x = 135,872,638,149.04 - Step 5: Solve for x
x = 135,872,638,149.04/423,485.91 - Step 6: Final answer
x = 320,843.35
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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.