Finding the Fourth Proportional to 447,929.28, 671,660.64 and 167,215.68
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Solution
The fourth proportional to 447,929.28, 671,660.64 and 167,215.68 is: 250,736.43
Step by Step Solution
- Step 1: Write the proportion equation
447,929.28 : 671,660.64 = 167,215.68 : x - Step 2: Convert to fraction form
447,929.28/671,660.64 = 167,215.68/x - Step 3: Cross multiply
447,929.28x = 671,660.64 × 167,215.68 - Step 4: Simplify right side
447,929.28x = 112,312,190,646.84 - Step 5: Solve for x
x = 112,312,190,646.84/447,929.28 - Step 6: Final answer
x = 250,736.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.