Finding the Fourth Proportional to 644,299.84, 966,374.64 and 171,021.96
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Solution
The fourth proportional to 644,299.84, 966,374.64 and 171,021.96 is: 256,513.00
Step by Step Solution
- Step 1: Write the proportion equation
644,299.84 : 966,374.64 = 171,021.96 : x - Step 2: Convert to fraction form
644,299.84/966,374.64 = 171,021.96/x - Step 3: Cross multiply
644,299.84x = 966,374.64 × 171,021.96 - Step 4: Simplify right side
644,299.84x = 165,271,285,027.09 - Step 5: Solve for x
x = 165,271,285,027.09/644,299.84 - Step 6: Final answer
x = 256,513.00
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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.