Finding the Fourth Proportional to 671,346.06, 1,006,779.24 and 221,983.98
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Solution
The fourth proportional to 671,346.06, 1,006,779.24 and 221,983.98 is: 332,896.66
Step by Step Solution
- Step 1: Write the proportion equation
671,346.06 : 1,006,779.24 = 221,983.98 : x - Step 2: Convert to fraction form
671,346.06/1,006,779.24 = 221,983.98/x - Step 3: Cross multiply
671,346.06x = 1,006,779.24 × 221,983.98 - Step 4: Simplify right side
671,346.06x = 223,488,862,676.58 - Step 5: Solve for x
x = 223,488,862,676.58/671,346.06 - Step 6: Final answer
x = 332,896.66
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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.