Finding the Fourth Proportional to 513,456.96, 770,563.80 and 243,585.96
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Solution
The fourth proportional to 513,456.96, 770,563.80 and 243,585.96 is: 365,558.44
Step by Step Solution
- Step 1: Write the proportion equation
513,456.96 : 770,563.80 = 243,585.96 : x - Step 2: Convert to fraction form
513,456.96/770,563.80 = 243,585.96/x - Step 3: Cross multiply
513,456.96x = 770,563.80 × 243,585.96 - Step 4: Simplify right side
513,456.96x = 187,698,522,964.25 - Step 5: Solve for x
x = 187,698,522,964.25/513,456.96 - Step 6: Final answer
x = 365,558.44
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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.