Finding the Fourth Proportional to 313,263.54, 432,304.08 and 170,023.62
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Solution
The fourth proportional to 313,263.54, 432,304.08 and 170,023.62 is: 234,632.81
Step by Step Solution
- Step 1: Write the proportion equation
313,263.54 : 432,304.08 = 170,023.62 : x - Step 2: Convert to fraction form
313,263.54/432,304.08 = 170,023.62/x - Step 3: Cross multiply
313,263.54x = 432,304.08 × 170,023.62 - Step 4: Simplify right side
313,263.54x = 73,501,904,622.37 - Step 5: Solve for x
x = 73,501,904,622.37/313,263.54 - Step 6: Final answer
x = 234,632.81
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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.