Finding the Fourth Proportional to 293,219.70, 439,829.55 and 199,907.70
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Solution
The fourth proportional to 293,219.70, 439,829.55 and 199,907.70 is: 299,861.55
Step by Step Solution
- Step 1: Write the proportion equation
293,219.70 : 439,829.55 = 199,907.70 : x - Step 2: Convert to fraction form
293,219.70/439,829.55 = 199,907.70/x - Step 3: Cross multiply
293,219.70x = 439,829.55 × 199,907.70 - Step 4: Simplify right side
293,219.70x = 87,925,313,732.54 - Step 5: Solve for x
x = 87,925,313,732.54/293,219.70 - Step 6: Final answer
x = 299,861.55
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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.