Finding the Fourth Proportional to 447,188.58, 617,120.24 and 256,312.68
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Solution
The fourth proportional to 447,188.58, 617,120.24 and 256,312.68 is: 353,711.50
Step by Step Solution
- Step 1: Write the proportion equation
447,188.58 : 617,120.24 = 256,312.68 : x - Step 2: Convert to fraction form
447,188.58/617,120.24 = 256,312.68/x - Step 3: Cross multiply
447,188.58x = 617,120.24 × 256,312.68 - Step 4: Simplify right side
447,188.58x = 158,175,741,315.08 - Step 5: Solve for x
x = 158,175,741,315.08/447,188.58 - Step 6: Final answer
x = 353,711.50
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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.