Finding the Fourth Proportional to 306,071.70, 459,107.55 and 272,829.30
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Solution
The fourth proportional to 306,071.70, 459,107.55 and 272,829.30 is: 409,243.95
Step by Step Solution
- Step 1: Write the proportion equation
306,071.70 : 459,107.55 = 272,829.30 : x - Step 2: Convert to fraction form
306,071.70/459,107.55 = 272,829.30/x - Step 3: Cross multiply
306,071.70x = 459,107.55 × 272,829.30 - Step 4: Simplify right side
306,071.70x = 125,257,991,491.22 - Step 5: Solve for x
x = 125,257,991,491.22/306,071.70 - Step 6: Final answer
x = 409,243.95
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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.