Finding the Fourth Proportional to 513,185.99, 769,587.53 and 176,130.99
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Solution
The fourth proportional to 513,185.99, 769,587.53 and 176,130.99 is: 264,130.78
Step by Step Solution
- Step 1: Write the proportion equation
513,185.99 : 769,587.53 = 176,130.99 : x - Step 2: Convert to fraction form
513,185.99/769,587.53 = 176,130.99/x - Step 3: Cross multiply
513,185.99x = 769,587.53 × 176,130.99 - Step 4: Simplify right side
513,185.99x = 135,548,212,669.90 - Step 5: Solve for x
x = 135,548,212,669.90/513,185.99 - Step 6: Final answer
x = 264,130.78
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1.5x scale
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.