Finding the Fourth Proportional to 168,490.77, 252,651.65 and 56,131.49
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Solution
The fourth proportional to 168,490.77, 252,651.65 and 56,131.49 is: 84,169.07
Step by Step Solution
- Step 1: Write the proportion equation
168,490.77 : 252,651.65 = 56,131.49 : x - Step 2: Convert to fraction form
168,490.77/252,651.65 = 56,131.49/x - Step 3: Cross multiply
168,490.77x = 252,651.65 × 56,131.49 - Step 4: Simplify right side
168,490.77x = 14,181,712,021.54 - Step 5: Solve for x
x = 14,181,712,021.54/168,490.77 - Step 6: Final answer
x = 84,169.07
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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.