Finding the Fourth Proportional to 145,115.99, 217,589.41 and 56,265.70
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Solution
The fourth proportional to 145,115.99, 217,589.41 and 56,265.70 is: 84,365.76
Step by Step Solution
- Step 1: Write the proportion equation
145,115.99 : 217,589.41 = 56,265.70 : x - Step 2: Convert to fraction form
145,115.99/217,589.41 = 56,265.70/x - Step 3: Cross multiply
145,115.99x = 217,589.41 × 56,265.70 - Step 4: Simplify right side
145,115.99x = 12,242,820,864.81 - Step 5: Solve for x
x = 12,242,820,864.81/145,115.99 - Step 6: Final answer
x = 84,365.76
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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.