Finding the Fourth Proportional to 192,035.80, 288,053.70 and 157,043.80
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Solution
The fourth proportional to 192,035.80, 288,053.70 and 157,043.80 is: 235,565.70
Step by Step Solution
- Step 1: Write the proportion equation
192,035.80 : 288,053.70 = 157,043.80 : x - Step 2: Convert to fraction form
192,035.80/288,053.70 = 157,043.80/x - Step 3: Cross multiply
192,035.80x = 288,053.70 × 157,043.80 - Step 4: Simplify right side
192,035.80x = 45,237,047,652.06 - Step 5: Solve for x
x = 45,237,047,652.06/192,035.80 - Step 6: Final answer
x = 235,565.70
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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.