Finding the Fourth Proportional to 149,068.31, 223,624.62 and 49,239.05
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Solution
The fourth proportional to 149,068.31, 223,624.62 and 49,239.05 is: 73,865.89
Step by Step Solution
- Step 1: Write the proportion equation
149,068.31 : 223,624.62 = 49,239.05 : x - Step 2: Convert to fraction form
149,068.31/223,624.62 = 49,239.05/x - Step 3: Cross multiply
149,068.31x = 223,624.62 × 49,239.05 - Step 4: Simplify right side
149,068.31x = 11,011,062,727.29 - Step 5: Solve for x
x = 11,011,062,727.29/149,068.31 - Step 6: Final answer
x = 73,865.89
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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.