Finding the Fourth Proportional to 292,848.12, 404,139.78 and 162,027.84
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Solution
The fourth proportional to 292,848.12, 404,139.78 and 162,027.84 is: 223,603.61
Step by Step Solution
- Step 1: Write the proportion equation
292,848.12 : 404,139.78 = 162,027.84 : x - Step 2: Convert to fraction form
292,848.12/404,139.78 = 162,027.84/x - Step 3: Cross multiply
292,848.12x = 404,139.78 × 162,027.84 - Step 4: Simplify right side
292,848.12x = 65,481,895,611.48 - Step 5: Solve for x
x = 65,481,895,611.48/292,848.12 - Step 6: Final answer
x = 223,603.61
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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.