Finding the Fourth Proportional to 192,390.24, 265,498.11 and 107,507.30
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Solution
The fourth proportional to 192,390.24, 265,498.11 and 107,507.30 is: 148,359.84
Step by Step Solution
- Step 1: Write the proportion equation
192,390.24 : 265,498.11 = 107,507.30 : x - Step 2: Convert to fraction form
192,390.24/265,498.11 = 107,507.30/x - Step 3: Cross multiply
192,390.24x = 265,498.11 × 107,507.30 - Step 4: Simplify right side
192,390.24x = 28,542,984,961.20 - Step 5: Solve for x
x = 28,542,984,961.20/192,390.24 - Step 6: Final answer
x = 148,359.84
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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.