Finding the Fourth Proportional to 440,432.10, 660,820.95 and 159,977.70
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Solution
The fourth proportional to 440,432.10, 660,820.95 and 159,977.70 is: 240,029.32
Step by Step Solution
- Step 1: Write the proportion equation
440,432.10 : 660,820.95 = 159,977.70 : x - Step 2: Convert to fraction form
440,432.10/660,820.95 = 159,977.70/x - Step 3: Cross multiply
440,432.10x = 660,820.95 × 159,977.70 - Step 4: Simplify right side
440,432.10x = 105,716,615,692.82 - Step 5: Solve for x
x = 105,716,615,692.82/440,432.10 - Step 6: Final answer
x = 240,029.32
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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.