Finding the Fourth Proportional to 513,354.68, 770,084.84 and 193,775.72
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Solution
The fourth proportional to 513,354.68, 770,084.84 and 193,775.72 is: 290,683.52
Step by Step Solution
- Step 1: Write the proportion equation
513,354.68 : 770,084.84 = 193,775.72 : x - Step 2: Convert to fraction form
513,354.68/770,084.84 = 193,775.72/x - Step 3: Cross multiply
513,354.68x = 770,084.84 × 193,775.72 - Step 4: Simplify right side
513,354.68x = 149,223,745,288.42 - Step 5: Solve for x
x = 149,223,745,288.42/513,354.68 - Step 6: Final answer
x = 290,683.52
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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.