Finding the Fourth Proportional to 447,423.75, 617,444.88 and 246,219.75
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Solution
The fourth proportional to 447,423.75, 617,444.88 and 246,219.75 is: 339,783.31
Step by Step Solution
- Step 1: Write the proportion equation
447,423.75 : 617,444.88 = 246,219.75 : x - Step 2: Convert to fraction form
447,423.75/617,444.88 = 246,219.75/x - Step 3: Cross multiply
447,423.75x = 617,444.88 × 246,219.75 - Step 4: Simplify right side
447,423.75x = 152,027,123,069.06 - Step 5: Solve for x
x = 152,027,123,069.06/447,423.75 - Step 6: Final answer
x = 339,783.31
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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.