Finding the Fourth Proportional to 140,560.62, 210,841.14 and 57,454.62
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Solution
The fourth proportional to 140,560.62, 210,841.14 and 57,454.62 is: 86,182.02
Step by Step Solution
- Step 1: Write the proportion equation
140,560.62 : 210,841.14 = 57,454.62 : x - Step 2: Convert to fraction form
140,560.62/210,841.14 = 57,454.62/x - Step 3: Cross multiply
140,560.62x = 210,841.14 × 57,454.62 - Step 4: Simplify right side
140,560.62x = 12,113,797,579.07 - Step 5: Solve for x
x = 12,113,797,579.07/140,560.62 - Step 6: Final answer
x = 86,182.02
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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.