Finding the Fourth Proportional to 313,857.74, 433,126.50 and 170,618.06
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Solution
The fourth proportional to 313,857.74, 433,126.50 and 170,618.06 is: 235,454.46
Step by Step Solution
- Step 1: Write the proportion equation
313,857.74 : 433,126.50 = 170,618.06 : x - Step 2: Convert to fraction form
313,857.74/433,126.50 = 170,618.06/x - Step 3: Cross multiply
313,857.74x = 433,126.50 × 170,618.06 - Step 4: Simplify right side
313,857.74x = 73,899,203,164.59 - Step 5: Solve for x
x = 73,899,203,164.59/313,857.74 - Step 6: Final answer
x = 235,454.46
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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.