Finding the Fourth Proportional to 479,239.03, 718,735.42 and 142,199.95
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Solution
The fourth proportional to 479,239.03, 718,735.42 and 142,199.95 is: 213,263.39
Step by Step Solution
- Step 1: Write the proportion equation
479,239.03 : 718,735.42 = 142,199.95 : x - Step 2: Convert to fraction form
479,239.03/718,735.42 = 142,199.95/x - Step 3: Cross multiply
479,239.03x = 718,735.42 × 142,199.95 - Step 4: Simplify right side
479,239.03x = 102,204,140,787.23 - Step 5: Solve for x
x = 102,204,140,787.23/479,239.03 - Step 6: Final answer
x = 213,263.39
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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.