Finding the Fourth Proportional to 505,251.64, 697,247.10 and 278,897.08
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Solution
The fourth proportional to 505,251.64, 697,247.10 and 278,897.08 is: 384,877.88
Step by Step Solution
- Step 1: Write the proportion equation
505,251.64 : 697,247.10 = 278,897.08 : x - Step 2: Convert to fraction form
505,251.64/697,247.10 = 278,897.08/x - Step 3: Cross multiply
505,251.64x = 697,247.10 × 278,897.08 - Step 4: Simplify right side
505,251.64x = 194,460,180,228.47 - Step 5: Solve for x
x = 194,460,180,228.47/505,251.64 - Step 6: Final answer
x = 384,877.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.