Finding the Fourth Proportional to 447,837.84, 617,987.76 and 246,633.84
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Solution
The fourth proportional to 447,837.84, 617,987.76 and 246,633.84 is: 340,339.03
Step by Step Solution
- Step 1: Write the proportion equation
447,837.84 : 617,987.76 = 246,633.84 : x - Step 2: Convert to fraction form
447,837.84/617,987.76 = 246,633.84/x - Step 3: Cross multiply
447,837.84x = 617,987.76 × 246,633.84 - Step 4: Simplify right side
447,837.84x = 152,416,694,321.80 - Step 5: Solve for x
x = 152,416,694,321.80/447,837.84 - Step 6: Final answer
x = 340,339.03
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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.