Finding the Fourth Proportional to 313,299.19, 432,360.57 and 170,058.88
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Solution
The fourth proportional to 313,299.19, 432,360.57 and 170,058.88 is: 234,685.43
Step by Step Solution
- Step 1: Write the proportion equation
313,299.19 : 432,360.57 = 170,058.88 : x - Step 2: Convert to fraction form
313,299.19/432,360.57 = 170,058.88/x - Step 3: Cross multiply
313,299.19x = 432,360.57 × 170,058.88 - Step 4: Simplify right side
313,299.19x = 73,526,754,290.36 - Step 5: Solve for x
x = 73,526,754,290.36/313,299.19 - Step 6: Final answer
x = 234,685.43
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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.