Finding the Fourth Proportional to 341,765.93, 512,358.09 and 208,739.51
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Solution
The fourth proportional to 341,765.93, 512,358.09 and 208,739.51 is: 312,931.65
Step by Step Solution
- Step 1: Write the proportion equation
341,765.93 : 512,358.09 = 208,739.51 : x - Step 2: Convert to fraction form
341,765.93/512,358.09 = 208,739.51/x - Step 3: Cross multiply
341,765.93x = 512,358.09 × 208,739.51 - Step 4: Simplify right side
341,765.93x = 106,949,376,651.14 - Step 5: Solve for x
x = 106,949,376,651.14/341,765.93 - Step 6: Final answer
x = 312,931.65
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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.