Finding the Fourth Proportional to 313,483.96, 432,611.04 and 170,246.80
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Solution
The fourth proportional to 313,483.96, 432,611.04 and 170,246.80 is: 234,942.31
Step by Step Solution
- Step 1: Write the proportion equation
313,483.96 : 432,611.04 = 170,246.80 : x - Step 2: Convert to fraction form
313,483.96/432,611.04 = 170,246.80/x - Step 3: Cross multiply
313,483.96x = 432,611.04 × 170,246.80 - Step 4: Simplify right side
313,483.96x = 73,650,645,204.67 - Step 5: Solve for x
x = 73,650,645,204.67/313,483.96 - Step 6: Final answer
x = 234,942.31
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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.