Finding the Fourth Proportional to 313,195.31, 432,210.68 and 169,955.31
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Solution
The fourth proportional to 313,195.31, 432,210.68 and 169,955.31 is: 234,538.96
Step by Step Solution
- Step 1: Write the proportion equation
313,195.31 : 432,210.68 = 169,955.31 : x - Step 2: Convert to fraction form
313,195.31/432,210.68 = 169,955.31/x - Step 3: Cross multiply
313,195.31x = 432,210.68 × 169,955.31 - Step 4: Simplify right side
313,195.31x = 73,456,502,469.06 - Step 5: Solve for x
x = 73,456,502,469.06/313,195.31 - Step 6: Final answer
x = 234,538.96
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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.