Finding the Fourth Proportional to 319,027.80, 440,277.98 and 175,787.81
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Solution
The fourth proportional to 319,027.80, 440,277.98 and 175,787.81 is: 242,597.98
Step by Step Solution
- Step 1: Write the proportion equation
319,027.80 : 440,277.98 = 175,787.81 : x - Step 2: Convert to fraction form
319,027.80/440,277.98 = 175,787.81/x - Step 3: Cross multiply
319,027.80x = 440,277.98 × 175,787.81 - Step 4: Simplify right side
319,027.80x = 77,395,498,815.09 - Step 5: Solve for x
x = 77,395,498,815.09/319,027.80 - Step 6: Final answer
x = 242,597.98
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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.