Finding the Fourth Proportional to 644,863.19, 967,293.62 and 171,548.54
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Solution
The fourth proportional to 644,863.19, 967,293.62 and 171,548.54 is: 257,322.50
Step by Step Solution
- Step 1: Write the proportion equation
644,863.19 : 967,293.62 = 171,548.54 : x - Step 2: Convert to fraction form
644,863.19/967,293.62 = 171,548.54/x - Step 3: Cross multiply
644,863.19x = 967,293.62 × 171,548.54 - Step 4: Simplify right side
644,863.19x = 165,937,809,822.81 - Step 5: Solve for x
x = 165,937,809,822.81/644,863.19 - Step 6: Final answer
x = 257,322.50
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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.