Finding the Fourth Proportional to 643,347.23, 965,029.06 and 170,028.50
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Solution
The fourth proportional to 643,347.23, 965,029.06 and 170,028.50 is: 255,044.92
Step by Step Solution
- Step 1: Write the proportion equation
643,347.23 : 965,029.06 = 170,028.50 : x - Step 2: Convert to fraction form
643,347.23/965,029.06 = 170,028.50/x - Step 3: Cross multiply
643,347.23x = 965,029.06 × 170,028.50 - Step 4: Simplify right side
643,347.23x = 164,082,443,528.21 - Step 5: Solve for x
x = 164,082,443,528.21/643,347.23 - Step 6: Final answer
x = 255,044.92
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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.