Finding the Fourth Proportional to 313,279.04, 432,325.35 and 170,039.05
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Solution
The fourth proportional to 313,279.04, 432,325.35 and 170,039.05 is: 234,654.03
Step by Step Solution
- Step 1: Write the proportion equation
313,279.04 : 432,325.35 = 170,039.05 : x - Step 2: Convert to fraction form
313,279.04/432,325.35 = 170,039.05/x - Step 3: Cross multiply
313,279.04x = 432,325.35 × 170,039.05 - Step 4: Simplify right side
313,279.04x = 73,512,190,724.10 - Step 5: Solve for x
x = 73,512,190,724.10/313,279.04 - Step 6: Final answer
x = 234,654.03
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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.