Finding the Fourth Proportional to 228,574.58, 342,535.17 and 128,524.79
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Solution
The fourth proportional to 228,574.58, 342,535.17 and 128,524.79 is: 192,603.48
Step by Step Solution
- Step 1: Write the proportion equation
228,574.58 : 342,535.17 = 128,524.79 : x - Step 2: Convert to fraction form
228,574.58/342,535.17 = 128,524.79/x - Step 3: Cross multiply
228,574.58x = 342,535.17 × 128,524.79 - Step 4: Simplify right side
228,574.58x = 44,024,259,079.19 - Step 5: Solve for x
x = 44,024,259,079.19/228,574.58 - Step 6: Final answer
x = 192,603.48
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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.