Finding the Fourth Proportional to 313,373.76, 432,460.98 and 170,133.96
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Solution
The fourth proportional to 313,373.76, 432,460.98 and 170,133.96 is: 234,787.68
Step by Step Solution
- Step 1: Write the proportion equation
313,373.76 : 432,460.98 = 170,133.96 : x - Step 2: Convert to fraction form
313,373.76/432,460.98 = 170,133.96/x - Step 3: Cross multiply
313,373.76x = 432,460.98 × 170,133.96 - Step 4: Simplify right side
313,373.76x = 73,576,299,072.88 - Step 5: Solve for x
x = 73,576,299,072.88/313,373.76 - Step 6: Final answer
x = 234,787.68
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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.