Finding the Fourth Proportional to 192,390.13, 265,497.55 and 107,507.19
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Solution
The fourth proportional to 192,390.13, 265,497.55 and 107,507.19 is: 148,359.46
Step by Step Solution
- Step 1: Write the proportion equation
192,390.13 : 265,497.55 = 107,507.19 : x - Step 2: Convert to fraction form
192,390.13/265,497.55 = 107,507.19/x - Step 3: Cross multiply
192,390.13x = 265,497.55 × 107,507.19 - Step 4: Simplify right side
192,390.13x = 28,542,895,552.38 - Step 5: Solve for x
x = 28,542,895,552.38/192,390.13 - Step 6: Final answer
x = 148,359.46
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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.