Finding the Fourth Proportional to 341,284.68, 470,878.38 and 220,431.06
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Solution
The fourth proportional to 341,284.68, 470,878.38 and 220,431.06 is: 304,133.84
Step by Step Solution
- Step 1: Write the proportion equation
341,284.68 : 470,878.38 = 220,431.06 : x - Step 2: Convert to fraction form
341,284.68/470,878.38 = 220,431.06/x - Step 3: Cross multiply
341,284.68x = 470,878.38 × 220,431.06 - Step 4: Simplify right side
341,284.68x = 103,796,220,434.48 - Step 5: Solve for x
x = 103,796,220,434.48/341,284.68 - Step 6: Final answer
x = 304,133.84
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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.