Finding the Fourth Proportional to 313,392.03, 432,480.98 and 170,152.09
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Solution
The fourth proportional to 313,392.03, 432,480.98 and 170,152.09 is: 234,809.87
Step by Step Solution
- Step 1: Write the proportion equation
313,392.03 : 432,480.98 = 170,152.09 : x - Step 2: Convert to fraction form
313,392.03/432,480.98 = 170,152.09/x - Step 3: Cross multiply
313,392.03x = 432,480.98 × 170,152.09 - Step 4: Simplify right side
313,392.03x = 73,587,541,976.43 - Step 5: Solve for x
x = 73,587,541,976.43/313,392.03 - Step 6: Final answer
x = 234,809.87
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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.