Finding the Fourth Proportional to 447,213.68, 617,164.44 and 246,009.68
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Solution
The fourth proportional to 447,213.68, 617,164.44 and 246,009.68 is: 339,498.62
Step by Step Solution
- Step 1: Write the proportion equation
447,213.68 : 617,164.44 = 246,009.68 : x - Step 2: Convert to fraction form
447,213.68/617,164.44 = 246,009.68/x - Step 3: Cross multiply
447,213.68x = 617,164.44 × 246,009.68 - Step 4: Simplify right side
447,213.68x = 151,828,426,391.78 - Step 5: Solve for x
x = 151,828,426,391.78/447,213.68 - Step 6: Final answer
x = 339,498.62
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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.