Finding the Fourth Proportional to 313,568.19, 432,727.79 and 170,330.49
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Solution
The fourth proportional to 313,568.19, 432,727.79 and 170,330.49 is: 235,058.08
Step by Step Solution
- Step 1: Write the proportion equation
313,568.19 : 432,727.79 = 170,330.49 : x - Step 2: Convert to fraction form
313,568.19/432,727.79 = 170,330.49/x - Step 3: Cross multiply
313,568.19x = 432,727.79 × 170,330.49 - Step 4: Simplify right side
313,568.19x = 73,706,735,655.66 - Step 5: Solve for x
x = 73,706,735,655.66/313,568.19 - Step 6: Final answer
x = 235,058.08
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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.