Finding the Fourth Proportional to 377,741.40, 566,612.06 and 128,423.40
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Solution
The fourth proportional to 377,741.40, 566,612.06 and 128,423.40 is: 192,635.09
Step by Step Solution
- Step 1: Write the proportion equation
377,741.40 : 566,612.06 = 128,423.40 : x - Step 2: Convert to fraction form
377,741.40/566,612.06 = 128,423.40/x - Step 3: Cross multiply
377,741.40x = 566,612.06 × 128,423.40 - Step 4: Simplify right side
377,741.40x = 72,766,247,226.20 - Step 5: Solve for x
x = 72,766,247,226.20/377,741.40 - Step 6: Final answer
x = 192,635.09
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Similar ratio
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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.