Finding the Fourth Proportional to 311,888.11, 467,594.28 and 258,415.96
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Solution
The fourth proportional to 311,888.11, 467,594.28 and 258,415.96 is: 387,426.84
Step by Step Solution
- Step 1: Write the proportion equation
311,888.11 : 467,594.28 = 258,415.96 : x - Step 2: Convert to fraction form
311,888.11/467,594.28 = 258,415.96/x - Step 3: Cross multiply
311,888.11x = 467,594.28 × 258,415.96 - Step 4: Simplify right side
311,888.11x = 120,833,824,756.71 - Step 5: Solve for x
x = 120,833,824,756.71/311,888.11 - Step 6: Final answer
x = 387,426.84
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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.