Finding the Fourth Proportional to 804,259.80, 1,206,303.30 and 213,283.80
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Solution
The fourth proportional to 804,259.80, 1,206,303.30 and 213,283.80 is: 319,902.79
Step by Step Solution
- Step 1: Write the proportion equation
804,259.80 : 1,206,303.30 = 213,283.80 : x - Step 2: Convert to fraction form
804,259.80/1,206,303.30 = 213,283.80/x - Step 3: Cross multiply
804,259.80x = 1,206,303.30 × 213,283.80 - Step 4: Simplify right side
804,259.80x = 257,284,951,776.54 - Step 5: Solve for x
x = 257,284,951,776.54/804,259.80 - Step 6: Final answer
x = 319,902.79
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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.