Finding the Fourth Proportional to 402,199.86, 603,301.62 and 135,961.80
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Solution
The fourth proportional to 402,199.86, 603,301.62 and 135,961.80 is: 203,943.32
Step by Step Solution
- Step 1: Write the proportion equation
402,199.86 : 603,301.62 = 135,961.80 : x - Step 2: Convert to fraction form
402,199.86/603,301.62 = 135,961.80/x - Step 3: Cross multiply
402,199.86x = 603,301.62 × 135,961.80 - Step 4: Simplify right side
402,199.86x = 82,025,974,198.12 - Step 5: Solve for x
x = 82,025,974,198.12/402,199.86 - Step 6: Final answer
x = 203,943.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.