Finding the Fourth Proportional to 257,249.63, 386,006.18 and 122,466.19
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Solution
The fourth proportional to 257,249.63, 386,006.18 and 122,466.19 is: 183,762.00
Step by Step Solution
- Step 1: Write the proportion equation
257,249.63 : 386,006.18 = 122,466.19 : x - Step 2: Convert to fraction form
257,249.63/386,006.18 = 122,466.19/x - Step 3: Cross multiply
257,249.63x = 386,006.18 × 122,466.19 - Step 4: Simplify right side
257,249.63x = 47,272,706,903.60 - Step 5: Solve for x
x = 47,272,706,903.60/257,249.63 - Step 6: Final answer
x = 183,762.00
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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.