Finding the Fourth Proportional to 427,750.25, 590,254.97 and 255,633.98
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Solution
The fourth proportional to 427,750.25, 590,254.97 and 255,633.98 is: 352,750.76
Step by Step Solution
- Step 1: Write the proportion equation
427,750.25 : 590,254.97 = 255,633.98 : x - Step 2: Convert to fraction form
427,750.25/590,254.97 = 255,633.98/x - Step 3: Cross multiply
427,750.25x = 590,254.97 × 255,633.98 - Step 4: Simplify right side
427,750.25x = 150,889,222,966.44 - Step 5: Solve for x
x = 150,889,222,966.44/427,750.25 - Step 6: Final answer
x = 352,750.76
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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.