Finding the Fourth Proportional to 643,344.36, 965,024.75 and 170,025.63
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Solution
The fourth proportional to 643,344.36, 965,024.75 and 170,025.63 is: 255,040.61
Step by Step Solution
- Step 1: Write the proportion equation
643,344.36 : 965,024.75 = 170,025.63 : x - Step 2: Convert to fraction form
643,344.36/965,024.75 = 170,025.63/x - Step 3: Cross multiply
643,344.36x = 965,024.75 × 170,025.63 - Step 4: Simplify right side
643,344.36x = 164,078,941,084.34 - Step 5: Solve for x
x = 164,078,941,084.34/643,344.36 - Step 6: Final answer
x = 255,040.61
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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.