Finding the Fourth Proportional to 447,688.08, 617,771.88 and 256,657.68
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Solution
The fourth proportional to 447,688.08, 617,771.88 and 256,657.68 is: 354,166.00
Step by Step Solution
- Step 1: Write the proportion equation
447,688.08 : 617,771.88 = 256,657.68 : x - Step 2: Convert to fraction form
447,688.08/617,771.88 = 256,657.68/x - Step 3: Cross multiply
447,688.08x = 617,771.88 × 256,657.68 - Step 4: Simplify right side
447,688.08x = 158,555,897,490.04 - Step 5: Solve for x
x = 158,555,897,490.04/447,688.08 - Step 6: Final answer
x = 354,166.00
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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.