Finding the Fourth Proportional to 500,142.66, 749,836.68 and 162,981.99
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Solution
The fourth proportional to 500,142.66, 749,836.68 and 162,981.99 is: 244,350.03
Step by Step Solution
- Step 1: Write the proportion equation
500,142.66 : 749,836.68 = 162,981.99 : x - Step 2: Convert to fraction form
500,142.66/749,836.68 = 162,981.99/x - Step 3: Cross multiply
500,142.66x = 749,836.68 × 162,981.99 - Step 4: Simplify right side
500,142.66x = 122,209,874,281.39 - Step 5: Solve for x
x = 122,209,874,281.39/500,142.66 - Step 6: Final answer
x = 244,350.03
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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.