Finding the Fourth Proportional to 313,192.70, 432,207.09 and 169,952.77
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Solution
The fourth proportional to 313,192.70, 432,207.09 and 169,952.77 is: 234,535.45
Step by Step Solution
- Step 1: Write the proportion equation
313,192.70 : 432,207.09 = 169,952.77 : x - Step 2: Convert to fraction form
313,192.70/432,207.09 = 169,952.77/x - Step 3: Cross multiply
313,192.70x = 432,207.09 × 169,952.77 - Step 4: Simplify right side
313,192.70x = 73,454,792,159.14 - Step 5: Solve for x
x = 73,454,792,159.14/313,192.70 - Step 6: Final answer
x = 234,535.45
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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.