Finding the Fourth Proportional to 239,040,079.20, 358,560,118.80 and 239,040,079.20
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Solution
The fourth proportional to 239,040,079.20, 358,560,118.80 and 239,040,079.20 is: 358,560,118.80
Step by Step Solution
- Step 1: Write the proportion equation
239,040,079.20 : 358,560,118.80 = 239,040,079.20 : x - Step 2: Convert to fraction form
239,040,079.20/358,560,118.80 = 239,040,079.20/x - Step 3: Cross multiply
239,040,079.20x = 358,560,118.80 × 239,040,079.20 - Step 4: Simplify right side
239,040,079.20x = 85,710,239,195,913,408 - Step 5: Solve for x
x = 85,710,239,195,913,408/239,040,079.20 - Step 6: Final answer
x = 358,560,118.80
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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.