Finding the Fourth Proportional to 192,739.05, 265,983.05 and 105,522.70
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Solution
The fourth proportional to 192,739.05, 265,983.05 and 105,522.70 is: 145,623.06
Step by Step Solution
- Step 1: Write the proportion equation
192,739.05 : 265,983.05 = 105,522.70 : x - Step 2: Convert to fraction form
192,739.05/265,983.05 = 105,522.70/x - Step 3: Cross multiply
192,739.05x = 265,983.05 × 105,522.70 - Step 4: Simplify right side
192,739.05x = 28,067,249,590.24 - Step 5: Solve for x
x = 28,067,249,590.24/192,739.05 - Step 6: Final answer
x = 145,623.06
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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.