Finding the Fourth Proportional to 319,027.05, 440,276.94 and 175,787.06
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Solution
The fourth proportional to 319,027.05, 440,276.94 and 175,787.06 is: 242,596.94
Step by Step Solution
- Step 1: Write the proportion equation
319,027.05 : 440,276.94 = 175,787.06 : x - Step 2: Convert to fraction form
319,027.05/440,276.94 = 175,787.06/x - Step 3: Cross multiply
319,027.05x = 440,276.94 × 175,787.06 - Step 4: Simplify right side
319,027.05x = 77,394,986,667.01 - Step 5: Solve for x
x = 77,394,986,667.01/319,027.05 - Step 6: Final answer
x = 242,596.94
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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.