Finding the Fourth Proportional to 919,919.21, 1,379,781.76 and 246,068.52
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Solution
The fourth proportional to 919,919.21, 1,379,781.76 and 246,068.52 is: 369,076.82
Step by Step Solution
- Step 1: Write the proportion equation
919,919.21 : 1,379,781.76 = 246,068.52 : x - Step 2: Convert to fraction form
919,919.21/1,379,781.76 = 246,068.52/x - Step 3: Cross multiply
919,919.21x = 1,379,781.76 × 246,068.52 - Step 4: Simplify right side
919,919.21x = 339,520,855,606.20 - Step 5: Solve for x
x = 339,520,855,606.20/919,919.21 - Step 6: Final answer
x = 369,076.82
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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.