Finding the Fourth Proportional to 447,207.68, 617,156.16 and 246,003.68
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Solution
The fourth proportional to 447,207.68, 617,156.16 and 246,003.68 is: 339,490.34
Step by Step Solution
- Step 1: Write the proportion equation
447,207.68 : 617,156.16 = 246,003.68 : x - Step 2: Convert to fraction form
447,207.68/617,156.16 = 246,003.68/x - Step 3: Cross multiply
447,207.68x = 617,156.16 × 246,003.68 - Step 4: Simplify right side
447,207.68x = 151,822,686,494.67 - Step 5: Solve for x
x = 151,822,686,494.67/447,207.68 - Step 6: Final answer
x = 339,490.34
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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.