Finding the Fourth Proportional to 154,860.72, 232,290.51 and 102,257.70
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Solution
The fourth proportional to 154,860.72, 232,290.51 and 102,257.70 is: 153,386.17
Step by Step Solution
- Step 1: Write the proportion equation
154,860.72 : 232,290.51 = 102,257.70 : x - Step 2: Convert to fraction form
154,860.72/232,290.51 = 102,257.70/x - Step 3: Cross multiply
154,860.72x = 232,290.51 × 102,257.70 - Step 4: Simplify right side
154,860.72x = 23,753,493,284.43 - Step 5: Solve for x
x = 23,753,493,284.43/154,860.72 - Step 6: Final answer
x = 153,386.17
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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.