Finding the Fourth Proportional to 387,844.85, 581,767.14 and 121,625.80
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Solution
The fourth proportional to 387,844.85, 581,767.14 and 121,625.80 is: 182,438.66
Step by Step Solution
- Step 1: Write the proportion equation
387,844.85 : 581,767.14 = 121,625.80 : x - Step 2: Convert to fraction form
387,844.85/581,767.14 = 121,625.80/x - Step 3: Cross multiply
387,844.85x = 581,767.14 × 121,625.80 - Step 4: Simplify right side
387,844.85x = 70,757,893,816.21 - Step 5: Solve for x
x = 70,757,893,816.21/387,844.85 - Step 6: Final answer
x = 182,438.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.