Finding the Fourth Proportional to 319,588.12, 479,226.66 and 169,900.12
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Solution
The fourth proportional to 319,588.12, 479,226.66 and 169,900.12 is: 254,767.50
Step by Step Solution
- Step 1: Write the proportion equation
319,588.12 : 479,226.66 = 169,900.12 : x - Step 2: Convert to fraction form
319,588.12/479,226.66 = 169,900.12/x - Step 3: Cross multiply
319,588.12x = 479,226.66 × 169,900.12 - Step 4: Simplify right side
319,588.12x = 81,420,667,041.20 - Step 5: Solve for x
x = 81,420,667,041.20/319,588.12 - Step 6: Final answer
x = 254,767.50
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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.