Finding the Fourth Proportional to 425,964.64, 587,827.92 and 234,986.08
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Solution
The fourth proportional to 425,964.64, 587,827.92 and 234,986.08 is: 324,278.98
Step by Step Solution
- Step 1: Write the proportion equation
425,964.64 : 587,827.92 = 234,986.08 : x - Step 2: Convert to fraction form
425,964.64/587,827.92 = 234,986.08/x - Step 3: Cross multiply
425,964.64x = 587,827.92 × 234,986.08 - Step 4: Simplify right side
425,964.64x = 138,131,378,635.35 - Step 5: Solve for x
x = 138,131,378,635.35/425,964.64 - Step 6: Final answer
x = 324,278.98
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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.