Finding the Fourth Proportional to 490,975.14, 736,432.12 and 234,989.52
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Solution
The fourth proportional to 490,975.14, 736,432.12 and 234,989.52 is: 352,469.64
Step by Step Solution
- Step 1: Write the proportion equation
490,975.14 : 736,432.12 = 234,989.52 : x - Step 2: Convert to fraction form
490,975.14/736,432.12 = 234,989.52/x - Step 3: Cross multiply
490,975.14x = 736,432.12 × 234,989.52 - Step 4: Simplify right side
490,975.14x = 173,053,829,216.44 - Step 5: Solve for x
x = 173,053,829,216.44/490,975.14 - Step 6: Final answer
x = 352,469.64
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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.