Finding the Fourth Proportional to 427,630.24, 590,139.36 and 276,989.44
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Solution
The fourth proportional to 427,630.24, 590,139.36 and 276,989.44 is: 382,251.66
Step by Step Solution
- Step 1: Write the proportion equation
427,630.24 : 590,139.36 = 276,989.44 : x - Step 2: Convert to fraction form
427,630.24/590,139.36 = 276,989.44/x - Step 3: Cross multiply
427,630.24x = 590,139.36 × 276,989.44 - Step 4: Simplify right side
427,630.24x = 163,462,370,848.36 - Step 5: Solve for x
x = 163,462,370,848.36/427,630.24 - Step 6: Final answer
x = 382,251.66
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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.