Finding the Fourth Proportional to 816,239.80, 1,224,358.14 and 217,201
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Solution
The fourth proportional to 816,239.80, 1,224,358.14 and 217,201 is: 325,801.08
Step by Step Solution
- Step 1: Write the proportion equation
816,239.80 : 1,224,358.14 = 217,201 : x - Step 2: Convert to fraction form
816,239.80/1,224,358.14 = 217,201/x - Step 3: Cross multiply
816,239.80x = 1,224,358.14 × 217,201 - Step 4: Simplify right side
816,239.80x = 265,931,812,366.14 - Step 5: Solve for x
x = 265,931,812,366.14/816,239.80 - Step 6: Final answer
x = 325,801.08
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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.