Finding the Fourth Proportional to 239,811.84, 359,259.84 and 134,311.68
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Solution
The fourth proportional to 239,811.84, 359,259.84 and 134,311.68 is: 201,211.05
Step by Step Solution
- Step 1: Write the proportion equation
239,811.84 : 359,259.84 = 134,311.68 : x - Step 2: Convert to fraction form
239,811.84/359,259.84 = 134,311.68/x - Step 3: Cross multiply
239,811.84x = 359,259.84 × 134,311.68 - Step 4: Simplify right side
239,811.84x = 48,252,792,666.93 - Step 5: Solve for x
x = 48,252,792,666.93/239,811.84 - Step 6: Final answer
x = 201,211.05
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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.