Finding the Fourth Proportional to 149,681.11, 224,360.97 and 74,653.03
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Solution
The fourth proportional to 149,681.11, 224,360.97 and 74,653.03 is: 111,899.40
Step by Step Solution
- Step 1: Write the proportion equation
149,681.11 : 224,360.97 = 74,653.03 : x - Step 2: Convert to fraction form
149,681.11/224,360.97 = 74,653.03/x - Step 3: Cross multiply
149,681.11x = 224,360.97 × 74,653.03 - Step 4: Simplify right side
149,681.11x = 16,749,226,224.24 - Step 5: Solve for x
x = 16,749,226,224.24/149,681.11 - Step 6: Final answer
x = 111,899.40
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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.