Finding the Fourth Proportional to 467,828.76, 645,603.20 and 252,968.30
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Solution
The fourth proportional to 467,828.76, 645,603.20 and 252,968.30 is: 349,095.99
Step by Step Solution
- Step 1: Write the proportion equation
467,828.76 : 645,603.20 = 252,968.30 : x - Step 2: Convert to fraction form
467,828.76/645,603.20 = 252,968.30/x - Step 3: Cross multiply
467,828.76x = 645,603.20 × 252,968.30 - Step 4: Simplify right side
467,828.76x = 163,317,143,978.56 - Step 5: Solve for x
x = 163,317,143,978.56/467,828.76 - Step 6: Final answer
x = 349,095.99
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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.