Finding the Fourth Proportional to 240,009.29, 330,964.74 and 206,129.96
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Solution
The fourth proportional to 240,009.29, 330,964.74 and 206,129.96 is: 284,246.28
Step by Step Solution
- Step 1: Write the proportion equation
240,009.29 : 330,964.74 = 206,129.96 : x - Step 2: Convert to fraction form
240,009.29/330,964.74 = 206,129.96/x - Step 3: Cross multiply
240,009.29x = 330,964.74 × 206,129.96 - Step 4: Simplify right side
240,009.29x = 68,221,748,617.61 - Step 5: Solve for x
x = 68,221,748,617.61/240,009.29 - Step 6: Final answer
x = 284,246.28
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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.