Finding the Fourth Proportional to 287,974.18, 431,972.16 and 110,499.10
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Solution
The fourth proportional to 287,974.18, 431,972.16 and 110,499.10 is: 165,752.83
Step by Step Solution
- Step 1: Write the proportion equation
287,974.18 : 431,972.16 = 110,499.10 : x - Step 2: Convert to fraction form
287,974.18/431,972.16 = 110,499.10/x - Step 3: Cross multiply
287,974.18x = 431,972.16 × 110,499.10 - Step 4: Simplify right side
287,974.18x = 47,732,534,905.06 - Step 5: Solve for x
x = 47,732,534,905.06/287,974.18 - Step 6: Final answer
x = 165,752.83
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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.