Finding the Fourth Proportional to 434,327.70, 651,491.55 and 372,119.70
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Solution
The fourth proportional to 434,327.70, 651,491.55 and 372,119.70 is: 558,179.55
Step by Step Solution
- Step 1: Write the proportion equation
434,327.70 : 651,491.55 = 372,119.70 : x - Step 2: Convert to fraction form
434,327.70/651,491.55 = 372,119.70/x - Step 3: Cross multiply
434,327.70x = 651,491.55 × 372,119.70 - Step 4: Simplify right side
434,327.70x = 242,432,840,138.54 - Step 5: Solve for x
x = 242,432,840,138.54/434,327.70 - Step 6: Final answer
x = 558,179.55
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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.