Finding the Fourth Proportional to 307,543.70, 461,315.55 and 245,335.70
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Solution
The fourth proportional to 307,543.70, 461,315.55 and 245,335.70 is: 368,003.55
Step by Step Solution
- Step 1: Write the proportion equation
307,543.70 : 461,315.55 = 245,335.70 : x - Step 2: Convert to fraction form
307,543.70/461,315.55 = 245,335.70/x - Step 3: Cross multiply
307,543.70x = 461,315.55 × 245,335.70 - Step 4: Simplify right side
307,543.70x = 113,177,173,380.14 - Step 5: Solve for x
x = 113,177,173,380.14/307,543.70 - Step 6: Final answer
x = 368,003.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.