Finding the Fourth Proportional to 412,692.74, 619,177.58 and 159,981.47
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Solution
The fourth proportional to 412,692.74, 619,177.58 and 159,981.47 is: 240,025.88
Step by Step Solution
- Step 1: Write the proportion equation
412,692.74 : 619,177.58 = 159,981.47 : x - Step 2: Convert to fraction form
412,692.74/619,177.58 = 159,981.47/x - Step 3: Cross multiply
412,692.74x = 619,177.58 × 159,981.47 - Step 4: Simplify right side
412,692.74x = 99,056,935,543.65 - Step 5: Solve for x
x = 99,056,935,543.65/412,692.74 - Step 6: Final answer
x = 240,025.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.