Finding the Fourth Proportional to 320,708.08, 481,044.69 and 121,023.64
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Solution
The fourth proportional to 320,708.08, 481,044.69 and 121,023.64 is: 181,528.88
Step by Step Solution
- Step 1: Write the proportion equation
320,708.08 : 481,044.69 = 121,023.64 : x - Step 2: Convert to fraction form
320,708.08/481,044.69 = 121,023.64/x - Step 3: Cross multiply
320,708.08x = 481,044.69 × 121,023.64 - Step 4: Simplify right side
320,708.08x = 58,217,779,386.47 - Step 5: Solve for x
x = 58,217,779,386.47/320,708.08 - Step 6: Final answer
x = 181,528.88
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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.