Finding the Fourth Proportional to 313,936.62, 433,237.95 and 170,697.63
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Solution
The fourth proportional to 313,936.62, 433,237.95 and 170,697.63 is: 235,565.67
Step by Step Solution
- Step 1: Write the proportion equation
313,936.62 : 433,237.95 = 170,697.63 : x - Step 2: Convert to fraction form
313,936.62/433,237.95 = 170,697.63/x - Step 3: Cross multiply
313,936.62x = 433,237.95 × 170,697.63 - Step 4: Simplify right side
313,936.62x = 73,952,691,291.06 - Step 5: Solve for x
x = 73,952,691,291.06/313,936.62 - Step 6: Final answer
x = 235,565.67
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1.5x scale
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.