Finding the Fourth Proportional to 513,192.87, 708,177.58 and 283,736.88
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Solution
The fourth proportional to 513,192.87, 708,177.58 and 283,736.88 is: 391,541.09
Step by Step Solution
- Step 1: Write the proportion equation
513,192.87 : 708,177.58 = 283,736.88 : x - Step 2: Convert to fraction form
513,192.87/708,177.58 = 283,736.88/x - Step 3: Cross multiply
513,192.87x = 708,177.58 × 283,736.88 - Step 4: Simplify right side
513,192.87x = 200,936,097,035.15 - Step 5: Solve for x
x = 200,936,097,035.15/513,192.87 - Step 6: Final answer
x = 391,541.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.