Finding the Fourth Proportional to 342,372.07, 513,737.18 and 140,118.31
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Solution
The fourth proportional to 342,372.07, 513,737.18 and 140,118.31 is: 210,250.75
Step by Step Solution
- Step 1: Write the proportion equation
342,372.07 : 513,737.18 = 140,118.31 : x - Step 2: Convert to fraction form
342,372.07/513,737.18 = 140,118.31/x - Step 3: Cross multiply
342,372.07x = 513,737.18 × 140,118.31 - Step 4: Simplify right side
342,372.07x = 71,983,983,811.18 - Step 5: Solve for x
x = 71,983,983,811.18/342,372.07 - Step 6: Final answer
x = 210,250.75
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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.