Finding the Fourth Proportional to 437,125.85, 603,252.21 and 243,533.38
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Solution
The fourth proportional to 437,125.85, 603,252.21 and 243,533.38 is: 336,086.39
Step by Step Solution
- Step 1: Write the proportion equation
437,125.85 : 603,252.21 = 243,533.38 : x - Step 2: Convert to fraction form
437,125.85/603,252.21 = 243,533.38/x - Step 3: Cross multiply
437,125.85x = 603,252.21 × 243,533.38 - Step 4: Simplify right side
437,125.85x = 146,912,048,476.10 - Step 5: Solve for x
x = 146,912,048,476.10/437,125.85 - Step 6: Final answer
x = 336,086.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.