Finding the Fourth Proportional to 383,936.95, 575,905.68 and 159,237.06
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Solution
The fourth proportional to 383,936.95, 575,905.68 and 159,237.06 is: 238,855.70
Step by Step Solution
- Step 1: Write the proportion equation
383,936.95 : 575,905.68 = 159,237.06 : x - Step 2: Convert to fraction form
383,936.95/575,905.68 = 159,237.06/x - Step 3: Cross multiply
383,936.95x = 575,905.68 × 159,237.06 - Step 4: Simplify right side
383,936.95x = 91,705,527,320.50 - Step 5: Solve for x
x = 91,705,527,320.50/383,936.95 - Step 6: Final answer
x = 238,855.70
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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.