Finding the Fourth Proportional to 459,638.97, 689,458.73 and 122,681.00
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Solution
The fourth proportional to 459,638.97, 689,458.73 and 122,681.00 is: 184,021.56
Step by Step Solution
- Step 1: Write the proportion equation
459,638.97 : 689,458.73 = 122,681.00 : x - Step 2: Convert to fraction form
459,638.97/689,458.73 = 122,681.00/x - Step 3: Cross multiply
459,638.97x = 689,458.73 × 122,681.00 - Step 4: Simplify right side
459,638.97x = 84,583,482,394.43 - Step 5: Solve for x
x = 84,583,482,394.43/459,638.97 - Step 6: Final answer
x = 184,021.56
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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.