Finding the Fourth Proportional to 447,722.10, 617,836.41 and 243,767.88
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Solution
The fourth proportional to 447,722.10, 617,836.41 and 243,767.88 is: 336,388.74
Step by Step Solution
- Step 1: Write the proportion equation
447,722.10 : 617,836.41 = 243,767.88 : x - Step 2: Convert to fraction form
447,722.10/617,836.41 = 243,767.88/x - Step 3: Cross multiply
447,722.10x = 617,836.41 × 243,767.88 - Step 4: Simplify right side
447,722.10x = 150,608,671,852.51 - Step 5: Solve for x
x = 150,608,671,852.51/447,722.10 - Step 6: Final answer
x = 336,388.74
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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.