Finding the Fourth Proportional to 313,680.93, 470,256.84 and 136,054.14
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Solution
The fourth proportional to 313,680.93, 470,256.84 and 136,054.14 is: 203,966.46
Step by Step Solution
- Step 1: Write the proportion equation
313,680.93 : 470,256.84 = 136,054.14 : x - Step 2: Convert to fraction form
313,680.93/470,256.84 = 136,054.14/x - Step 3: Cross multiply
313,680.93x = 470,256.84 × 136,054.14 - Step 4: Simplify right side
313,680.93x = 63,980,389,945.32 - Step 5: Solve for x
x = 63,980,389,945.32/313,680.93 - Step 6: Final answer
x = 203,966.46
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1.5x scale
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.