Finding the Fourth Proportional to 323,977.51, 485,964.20 and 110,642.49
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Solution
The fourth proportional to 323,977.51, 485,964.20 and 110,642.49 is: 165,963.03
Step by Step Solution
- Step 1: Write the proportion equation
323,977.51 : 485,964.20 = 110,642.49 : x - Step 2: Convert to fraction form
323,977.51/485,964.20 = 110,642.49/x - Step 3: Cross multiply
323,977.51x = 485,964.20 × 110,642.49 - Step 4: Simplify right side
323,977.51x = 53,768,289,415.46 - Step 5: Solve for x
x = 53,768,289,415.46/323,977.51 - Step 6: Final answer
x = 165,963.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.