Finding the Fourth Proportional to 351,540.77, 485,123.83 and 190,392.12
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Solution
The fourth proportional to 351,540.77, 485,123.83 and 190,392.12 is: 262,739.81
Step by Step Solution
- Step 1: Write the proportion equation
351,540.77 : 485,123.83 = 190,392.12 : x - Step 2: Convert to fraction form
351,540.77/485,123.83 = 190,392.12/x - Step 3: Cross multiply
351,540.77x = 485,123.83 × 190,392.12 - Step 4: Simplify right side
351,540.77x = 92,363,753,980.24 - Step 5: Solve for x
x = 92,363,753,980.24/351,540.77 - Step 6: Final answer
x = 262,739.81
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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.