Finding the Fourth Proportional to 919,038.08, 1,378,622.64 and 245,115.56
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Solution
The fourth proportional to 919,038.08, 1,378,622.64 and 245,115.56 is: 367,690.81
Step by Step Solution
- Step 1: Write the proportion equation
919,038.08 : 1,378,622.64 = 245,115.56 : x - Step 2: Convert to fraction form
919,038.08/1,378,622.64 = 245,115.56/x - Step 3: Cross multiply
919,038.08x = 1,378,622.64 × 245,115.56 - Step 4: Simplify right side
919,038.08x = 337,921,860,432.28 - Step 5: Solve for x
x = 337,921,860,432.28/919,038.08 - Step 6: Final answer
x = 367,690.81
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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.