Finding the Fourth Proportional to 459,499.09, 689,281.59 and 122,537.98
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Solution
The fourth proportional to 459,499.09, 689,281.59 and 122,537.98 is: 183,815.75
Step by Step Solution
- Step 1: Write the proportion equation
459,499.09 : 689,281.59 = 122,537.98 : x - Step 2: Convert to fraction form
459,499.09/689,281.59 = 122,537.98/x - Step 3: Cross multiply
459,499.09x = 689,281.59 × 122,537.98 - Step 4: Simplify right side
459,499.09x = 84,463,170,243.38 - Step 5: Solve for x
x = 84,463,170,243.38/459,499.09 - Step 6: Final answer
x = 183,815.75
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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.