Finding the Fourth Proportional to 149,489.13, 224,234.50 and 38,681.13
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Solution
The fourth proportional to 149,489.13, 224,234.50 and 38,681.13 is: 58,021.90
Step by Step Solution
- Step 1: Write the proportion equation
149,489.13 : 224,234.50 = 38,681.13 : x - Step 2: Convert to fraction form
149,489.13/224,234.50 = 38,681.13/x - Step 3: Cross multiply
149,489.13x = 224,234.50 × 38,681.13 - Step 4: Simplify right side
149,489.13x = 8,673,643,844.99 - Step 5: Solve for x
x = 8,673,643,844.99/149,489.13 - Step 6: Final answer
x = 58,021.90
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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.